Broadcast TechnologyRTV 151

Broadcast TechnologyRTV 151

TelephonyInternet & WWW

Broadband & Wireless DigitalMobile Communication

TelephonyInternet & WWW

Broadband & Wireless DigitalMobile Communication

Internet ReviewInternet Review

Advanced Research Projects AgencyPentagon / University relationship

LANs and WANsSingle location / wide geographic area

ARPANET combined with LANs and WANs became the Internet in 1983TCP/IP protocol (Bob Kahn and Vint Cerf)Packet switching and IP addresses

Advanced Research Projects AgencyPentagon / University relationship

LANs and WANsSingle location / wide geographic area

ARPANET combined with LANs and WANs became the Internet in 1983TCP/IP protocol (Bob Kahn and Vint Cerf)Packet switching and IP addresses

Domain Name System (DNS)

Domain Name System (DNS)

IP address 158.135.172.2 Text-based DNS translates human language into

the computer’s ‘phone number’ TLD -- .com , .net, .edu (sometime gTLD)

ccTLD -- country code -- .ca , .uk (list)Determined by IANA, Internet Assigned Numbers

Authority

Organizational identifier – tamuc , google Domain names administered by ICANN -- Internet

Corporation for Assigned Names and Numbers Buy domains from registrars (Mad Dog,

GoDaddy, 1and1)

IP address 158.135.172.2 Text-based DNS translates human language into

the computer’s ‘phone number’ TLD -- .com , .net, .edu (sometime gTLD)

ccTLD -- country code -- .ca , .uk (list)Determined by IANA, Internet Assigned Numbers

Authority

Organizational identifier – tamuc , google Domain names administered by ICANN -- Internet

Corporation for Assigned Names and Numbers Buy domains from registrars (Mad Dog,

GoDaddy, 1and1)

Programs on the Internet…

Programs on the Internet…

WWW -- Tim Berners-Lee devised HTML language which led to Mosaic

A browser interprets the HTML Web page creation...

XML--extensible markup languageSOAP--simple objects access protocol

(based on XMLXHTML--another form of XMLVRML

App creation

WWW -- Tim Berners-Lee devised HTML language which led to Mosaic

A browser interprets the HTML Web page creation...

XML--extensible markup languageSOAP--simple objects access protocol

(based on XMLXHTML--another form of XMLVRML

App creation

Programs on the Internet…

Programs on the Internet…E-mail (now email)

Newsgroups / Usenet (link) see chapter

Chat / IM (AIM, iChat, Meebo)Telnet (link)FTP (Fetch, etc.)Internet Phone (Skype, Google Voice) Web 2.0 (blogs, Second Life,

podcasts…) Video streams (Bittorent, Veoh, Hulu, clicker)

E-mail (now email)Newsgroups / Usenet (link) see

chapterChat / IM (AIM, iChat, Meebo)Telnet (link)FTP (Fetch, etc.)Internet Phone (Skype, Google Voice) Web 2.0 (blogs, Second Life,

podcasts…) Video streams (Bittorent, Veoh, Hulu, clicker)

What’s going on today…What’s going on today…

Blogs / moblogs / vlogs Journalism / bloggers

RSS feedsPodcasts, etc. / newsreader software

New economic models -- Google Legal issues -- RIAA, MPAA Other issues

Malware, Digital Divide, charging fees to Internet sites, net neutrality (Comcast)

Blogs / moblogs / vlogs Journalism / bloggers

RSS feedsPodcasts, etc. / newsreader software

New economic models -- Google Legal issues -- RIAA, MPAA Other issues

Malware, Digital Divide, charging fees to Internet sites, net neutrality (Comcast)

Web 2.0?Web 2.0? Google Docs (YouTube ‘tutorial’) / Drive Apple OS X development, Chrome,

Windows What is ‘Digital Media’? / New Media --

Canada DMS What is ‘Internet 2’? (chapter)

Increase speedsSpread technologies and applicationsTake advantage of digital libraries, virtual

laboratories, tele-immersion What is Web 2.0?

Google Docs (YouTube ‘tutorial’) / Drive Apple OS X development, Chrome,

Windows What is ‘Digital Media’? / New Media --

Canada DMS What is ‘Internet 2’? (chapter)

Increase speedsSpread technologies and applicationsTake advantage of digital libraries, virtual

laboratories, tele-immersion What is Web 2.0?

Web 2.0Web 2.0

What is…What is…

Digg?Stumble Upon?Photobucket?Jumpcut?The WayBack Machine?The Machine is using us?Otherwise going on…………. ?

Digg?Stumble Upon?Photobucket?Jumpcut?The WayBack Machine?The Machine is using us?Otherwise going on…………. ?

Mobile Computing DevicesMobile Computing Devices PDAs (personal digital assistant – ‘Newton’)

Functions / changes through the years GPS

Vehicle fixed / portable Satellite connection vs. most others

Cell Phones iPhone example (smart phone)

Portable Video Games GameBoy, Nintendo DS, Sony PSP / music, movies

Ultra Mobile PCs -- Origami / Microsoft (site) CES -- Microsoft focus on touch / voice recognition

Wearable Computers? Tablets

PDAs (personal digital assistant – ‘Newton’) Functions / changes through the years

GPS Vehicle fixed / portable Satellite connection vs. most others

Cell Phones iPhone example (smart phone)

Portable Video Games GameBoy, Nintendo DS, Sony PSP / music, movies

Ultra Mobile PCs -- Origami / Microsoft (site) CES -- Microsoft focus on touch / voice recognition

Wearable Computers? Tablets

Broadcasting vs. streaming

Broadcasting vs. streaming

DTV – multicastingDVB-H (digital video broadcasting -

handheld) standard for broadcasting to handsets

DMB (digital multimedia broadcasting) for multimedia broadcasting -- not available in North America

Streaming allows VOD – (mobile TV)-AT&T Mobile (MediaFlo)…failed Verizon (ended 2012) --mDTV. Ch.6

Backseat TV (ending 12/31/15)

DTV – multicastingDVB-H (digital video broadcasting -

handheld) standard for broadcasting to handsets

DMB (digital multimedia broadcasting) for multimedia broadcasting -- not available in North America

Streaming allows VOD – (mobile TV)-AT&T Mobile (MediaFlo)…failed Verizon (ended 2012) --mDTV. Ch.6

Backseat TV (ending 12/31/15)

Developing TechnologiesDeveloping Technologies 3G / 4G cell phones -- packet and circuit switching Wi-Fi

802.11 and 802.11x refers to a family of specifications developed by the IEEE for wireless LAN technology.

Institute of Electrical and Electronics Engineers, pronounced I-triple-E

WiMax Also known as IEEE 802.16--intended for wireless

"metropolitan area networks". Provides broadband wireless access (BWA) up to 30 miles (50 km) for fixed stations, and 3 - 10 miles (5 - 15 km) for mobile stations.

WiFi/802.11 wireless local area network standard is limited in most cases to only 100 - 300 feet (30 - 100m).

Clearwire bought by Sprint (phased out as separate)

3G / 4G cell phones -- packet and circuit switching Wi-Fi

802.11 and 802.11x refers to a family of specifications developed by the IEEE for wireless LAN technology.

Institute of Electrical and Electronics Engineers, pronounced I-triple-E

WiMax Also known as IEEE 802.16--intended for wireless

"metropolitan area networks". Provides broadband wireless access (BWA) up to 30 miles (50 km) for fixed stations, and 3 - 10 miles (5 - 15 km) for mobile stations.

WiFi/802.11 wireless local area network standard is limited in most cases to only 100 - 300 feet (30 - 100m).

Clearwire bought by Sprint (phased out as separate)

Why 802?Why 802?

The 802 group is the section of the IEEE involved in network operations and technologies, including mid-sized networks and local networks. Group 15 deals specifically with wireless networking technologies, and includes the now ubiquitous 802.15.1 working group, which is also known as Bluetooth.

The 802 group is the section of the IEEE involved in network operations and technologies, including mid-sized networks and local networks. Group 15 deals specifically with wireless networking technologies, and includes the now ubiquitous 802.15.1 working group, which is also known as Bluetooth.

More wireless data transfer…

More wireless data transfer…

Like AppleWatch, ApplePayNear field communication (NFC)

is the set of protocols that enable electronic devices to establish radio communication with each other by touching the devices together, or bringing them into proximity to a distance of typically 10cm or less.

Like AppleWatch, ApplePayNear field communication (NFC)

is the set of protocols that enable electronic devices to establish radio communication with each other by touching the devices together, or bringing them into proximity to a distance of typically 10cm or less.

Developing TechnologiesDeveloping Technologies Bluetooth

Name comes from Harald Bluetooth, king of Denmark in the late 900s

There are lots of different ways that electronic devices can connect to one another--Component cables, Electrical wires, Ethernet cables, WiFi, Infrared signals…

Bluetooth is essentially a networking standard that works at two levels:

It provides agreement at the physical level -- Bluetooth is a radio-frequency standard;

AND, it provides agreement at the protocol level, where products have to agree on when bits are sent, how many will be sent at a time, and how the parties in a conversation can be sure that the message received is the same as the message sent. (headphones, cell phone, GPS, PDA--Starfield example)

Bluetooth Name comes from Harald Bluetooth, king of Denmark

in the late 900s There are lots of different ways that electronic devices

can connect to one another--Component cables, Electrical wires, Ethernet cables, WiFi, Infrared signals…

Bluetooth is essentially a networking standard that works at two levels:

It provides agreement at the physical level -- Bluetooth is a radio-frequency standard;

AND, it provides agreement at the protocol level, where products have to agree on when bits are sent, how many will be sent at a time, and how the parties in a conversation can be sure that the message received is the same as the message sent. (headphones, cell phone, GPS, PDA--Starfield example)

Developing TechnologiesDeveloping Technologies

ZigBee The set of specs built around the IEEE 802.15.4

wireless protocol. Name "ZigBee" derived from the erratic zigging

patterns many bees make between flowers when collecting pollen. The standard is regulated by a group known as the ZigBee Alliance, with over 150 members worldwide.

Bluetooth focuses on connectivity between large packet user devices--laptops, phones, major peripherals….

ZigBee is designed to provide highly efficient connectivity between small packet devices.

ZigBee The set of specs built around the IEEE 802.15.4

wireless protocol. Name "ZigBee" derived from the erratic zigging

patterns many bees make between flowers when collecting pollen. The standard is regulated by a group known as the ZigBee Alliance, with over 150 members worldwide.

Bluetooth focuses on connectivity between large packet user devices--laptops, phones, major peripherals….

ZigBee is designed to provide highly efficient connectivity between small packet devices.

Developing TechnologiesDeveloping Technologies WPAN

Wireless personal area network Bluetooth and Zigbee Personal hotspots

RFID “IBM Uses RFID to Track Conference Attendees” “New chip promises to track kids from miles

away” Tracks things and people

DTV? / HD Radio Multicasting channels -- data transmission? Two way interactivity FCC approval

WPAN Wireless personal area network Bluetooth and Zigbee Personal hotspots

RFID “IBM Uses RFID to Track Conference Attendees” “New chip promises to track kids from miles

away” Tracks things and people

DTV? / HD Radio Multicasting channels -- data transmission? Two way interactivity FCC approval

Technical changesTechnical changes

Copper wires to fiber optic cableCircuit Switching to packet

switchingLandline to wirelessConvergence of technologies and

companies

Copper wires to fiber optic cableCircuit Switching to packet

switchingLandline to wirelessConvergence of technologies and

companies

Technical examplesTechnical examples

Fiber Optics (how they work) Early telephones (women as operators) Early telephones (dialing a rotary phone) (push button phone) Making ‘free’ phone calls (how VoIP works

)Skype / Ooma / Magic Jack / Apple FaceTimeNetzero Voice / Messenger / iChat Jajah.com (closed 2013)Google Voice

Fiber Optics (how they work) Early telephones (women as operators) Early telephones (dialing a rotary phone) (push button phone) Making ‘free’ phone calls (how VoIP works

)Skype / Ooma / Magic Jack / Apple FaceTimeNetzero Voice / Messenger / iChat Jajah.com (closed 2013)Google Voice

Cell PhonesCell Phones

Early -- 2-way radio type service Phone / ‘cells’ / towers

Ugly towers? Connects to Mobile Telephone Switching

Office (MTSO)Going to another cell phone in same area on

same service, routed to another towerTo another service or a landline, routed to the

Public Switched Telephone Network (PSTN)

Early -- 2-way radio type service Phone / ‘cells’ / towers

Ugly towers? Connects to Mobile Telephone Switching

Office (MTSO)Going to another cell phone in same area on

same service, routed to another towerTo another service or a landline, routed to the

Public Switched Telephone Network (PSTN)

GenerationsGenerations

‘two-way radio’ style ‘cellular’ process developed by (‘old’) AT&T IG -- analog -- 1983 -- AMPS -- ‘advanced

mobile phone service 2G -- digital introduction -- early 1990s

CDMA, TDMA initially in the U.S. (CDMA: Sprint, Verizon)

GSM type adopted first in Europe (AT&T / T-Mobile)

‘two-way radio’ style ‘cellular’ process developed by (‘old’) AT&T IG -- analog -- 1983 -- AMPS -- ‘advanced

mobile phone service 2G -- digital introduction -- early 1990s

CDMA, TDMA initially in the U.S. (CDMA: Sprint, Verizon)

GSM type adopted first in Europe (AT&T / T-Mobile)

GenerationsGenerations

3G -- higher data transmission speeds -- switch to packet switching (Interim -- ‘2.5G’ ‘Edge’)

Verizon, AT&T, Sprint & T-Mobile all offer high speed 3G wireless networks. All moving to 4G...but, interim technologies

3G -- about 3 mbps throughput; 4G about 10 mbps (about 10x faster)

Based on phone AND network infrastructure

3G -- higher data transmission speeds -- switch to packet switching (Interim -- ‘2.5G’ ‘Edge’)

Verizon, AT&T, Sprint & T-Mobile all offer high speed 3G wireless networks. All moving to 4G...but, interim technologies

3G -- about 3 mbps throughput; 4G about 10 mbps (about 10x faster)

Based on phone AND network infrastructure

Today…Today… Although GSM and CDMA are often the

foundation…also LTE, HSPDA, UMTS High-Speed Downlink Packet Access

(HSDPA) is an enhanced 3G system UMTS (Universal Mobile

Telecommunications Service) is a 3G broadband, packet-based transmission of text, VOIP, video, and multimedia at data rates up to 2 Mbps. UMTS is based on the Global System for Mobile (GSM) communication.

Although GSM and CDMA are often the foundation…also LTE, HSPDA, UMTS

High-Speed Downlink Packet Access (HSDPA) is an enhanced 3G system

UMTS (Universal Mobile Telecommunications Service) is a 3G broadband, packet-based transmission of text, VOIP, video, and multimedia at data rates up to 2 Mbps. UMTS is based on the Global System for Mobile (GSM) communication.

3G vs. 4G3G vs. 4G

ExplanationDirect link

ExplanationDirect link

Cell phone as hybrid medium

Cell phone as hybrid medium

Delivery of video to cellular phones became widespread… voice / data … and

Verizon’s V-Cast service (3G EV-DO) MobiTV service.

Both use the cellular network to deliver the content.

New service and technology, MediaFlo, developed by Qualcomm, used part of the television broadcasting spectrum (channel 55) to send multi-media content to mobile phones (as noted before).

Allows wireless carriers to offer video content without taking up much needed bandwidth in their cellular network.

Delivery of video to cellular phones became widespread… voice / data … and

Verizon’s V-Cast service (3G EV-DO) MobiTV service.

Both use the cellular network to deliver the content.

New service and technology, MediaFlo, developed by Qualcomm, used part of the television broadcasting spectrum (channel 55) to send multi-media content to mobile phones (as noted before).

Allows wireless carriers to offer video content without taking up much needed bandwidth in their cellular network.

What is broadband?What is broadband?

ITU -- minimum speed of 256 kilobits/second

FCC -- 1996 Telecommunications Act: 200 Kb/s bidirectionally,

Wired Wireless Satellite Alternate: DTV multicast channels (etc.)

ITU -- minimum speed of 256 kilobits/second

FCC -- 1996 Telecommunications Act: 200 Kb/s bidirectionally,

Wired Wireless Satellite Alternate: DTV multicast channels (etc.)

Broadband delivery -- wired

Broadband delivery -- wired

DSL DSLAM / extenders (digital subscriber line access multiplexer) IPTV (AT&T: U-verse, Verizon: FiOS) Dedicated line (no slowdown)

Cable modem (DOCSIS -- 1.0 / 2.0 / 3.0) Data Over Cable Service Interface Specification Shared down trunk line (slowdown) Information service / no open access

Fiber to the home/premises (FTTH/P) FTTN -- fiber to the node (last mile is coaxial cable for

cable & twisted-pair copper for DSL) … vs. AT&T now with U-verse build

Broadband over power line (BPL) Interference State approval

DSL DSLAM / extenders (digital subscriber line access multiplexer) IPTV (AT&T: U-verse, Verizon: FiOS) Dedicated line (no slowdown)

Cable modem (DOCSIS -- 1.0 / 2.0 / 3.0) Data Over Cable Service Interface Specification Shared down trunk line (slowdown) Information service / no open access

Fiber to the home/premises (FTTH/P) FTTN -- fiber to the node (last mile is coaxial cable for

cable & twisted-pair copper for DSL) … vs. AT&T now with U-verse build

Broadband over power line (BPL) Interference State approval

Broadband delivery -- wireless

Broadband delivery -- wireless

Fixed wireless broadband (FWB) (from MMDS)

3G mobile wireless (4G / pre-4G) Wi-Fi (IEEE 802.11) (‘WLAN’) Wi-Max (802.16) (www.clear.com) Satellite

HughesNet & WildBlue (several now)Latency problem (VoIP, games) “a time

delay between the moment something is initiated, and the moment one of its effects begins or becomes detectable”

Fixed wireless broadband (FWB) (from MMDS)

3G mobile wireless (4G / pre-4G) Wi-Fi (IEEE 802.11) (‘WLAN’) Wi-Max (802.16) (www.clear.com) Satellite

HughesNet & WildBlue (several now)Latency problem (VoIP, games) “a time

delay between the moment something is initiated, and the moment one of its effects begins or becomes detectable”

Broadband today (3)Broadband today (3) Discussion over past several years as

Hulu, Netflix and others changed how we get TV shows and movies.

Consumers themselves are driving this "broadband or TV" debate into irrelevance.

They're busy accessing programming on demand - whether "broadband" or "TV" - through a host of devices and services whose popularity is only going to skyrocket in the future. These include TiVo, Xbox, Netflix, Amazon and many others.

Discussion over past several years as Hulu, Netflix and others changed how we get TV shows and movies.

Consumers themselves are driving this "broadband or TV" debate into irrelevance.

They're busy accessing programming on demand - whether "broadband" or "TV" - through a host of devices and services whose popularity is only going to skyrocket in the future. These include TiVo, Xbox, Netflix, Amazon and many others.

Broadband Today (4)Broadband Today (4)

With the proliferation of available broadband video comes a massive user navigation challenge. Modern Feed launched (4/8/08) (became Clicker) to address this.

Part search engine, part aggregator, with a specific focus on indexing professionally-produced programming, not user-generated video. It's also focused on actual programs, not promotional clips. (failed)

With the proliferation of available broadband video comes a massive user navigation challenge. Modern Feed launched (4/8/08) (became Clicker) to address this.

Part search engine, part aggregator, with a specific focus on indexing professionally-produced programming, not user-generated video. It's also focused on actual programs, not promotional clips. (failed)

Broadband Today (5)Broadband Today (5)

J.D. Heilprin, Modern Feed's founder/CEO: the company is targeting mainstream users

providing the easiest way to find available, high-quality video.

It employs a team of "Feeders" charged with curating the best videos to include on the site. The result is approximately 550 "networks" and 25,000 pieces of content now indexed

”Networks" is a loose term ranging from traditional broadcasters to indies new entrants like Boston Symphony or Architectural Digest.

Name changed to Clicker All My Children, One Life to Live examples

J.D. Heilprin, Modern Feed's founder/CEO: the company is targeting mainstream users

providing the easiest way to find available, high-quality video.

It employs a team of "Feeders" charged with curating the best videos to include on the site. The result is approximately 550 "networks" and 25,000 pieces of content now indexed

”Networks" is a loose term ranging from traditional broadcasters to indies new entrants like Boston Symphony or Architectural Digest.

Name changed to Clicker All My Children, One Life to Live examples

Go back and forward a bitGo back and forward a bitGames

HMD, virtual reality, immersive actionAutomotive telematics

Smart carNow, smart home

E-HealthWearablesBody monitor and communication

GamesHMD, virtual reality, immersive action

Automotive telematicsSmart carNow, smart home

E-HealthWearablesBody monitor and communication

Home NetworksHome Networks

Residential gateway (aka - cable/DSL router) ‘the key device in most home networks’

Wired (server / hub / router) LAN Wireless (wi-fi / WLAN / 802.11) Interconnects all computers and other IP

devices Connects the home network to the

broadband connection

Residential gateway (aka - cable/DSL router) ‘the key device in most home networks’

Wired (server / hub / router) LAN Wireless (wi-fi / WLAN / 802.11) Interconnects all computers and other IP

devices Connects the home network to the

broadband connection

‘Specs’ Technical specifications or standards

‘Specs’ Technical specifications or standards Like all issues – establish technical

standards HPNA -- Home Phoneline Networking

Alliance -- technology, built on Ethernet, allows all the components of a home network to interact over the home's existing telephone wiring without disturbing the existing voice or fax services

IEEE -- Institute of Electrical and Electronics Engineers

Like all issues – establish technical standards

HPNA -- Home Phoneline Networking Alliance -- technology, built on Ethernet, allows all the components of a home network to interact over the home's existing telephone wiring without disturbing the existing voice or fax services

IEEE -- Institute of Electrical and Electronics Engineers

Proprietary or agreed-upon?

Proprietary or agreed-upon?

VHS vs. Beta (home)DVD-R / DVD-RW vs. DVD+R / RW

vs. RAMSD cards or compact flash cardsHD-DVD vs. BluRayWMA vs. RealPlayer vs. Quicktime

etc. codecs HDTV (8-VSB / COFDM)

VHS vs. Beta (home)DVD-R / DVD-RW vs. DVD+R / RW

vs. RAMSD cards or compact flash cardsHD-DVD vs. BluRayWMA vs. RealPlayer vs. Quicktime

etc. codecs HDTV (8-VSB / COFDM)

Home ‘hot spot’ Applications?

Home ‘hot spot’ Applications?Multiple networked computers

Computers share one printerIntegration of phone / cable or

satellite systems / DVR, Slingbox, Netflix, digital linear channels, etc. with IP

Security system connectionsAutomotive telematics

Multiple networked computersComputers share one printerIntegration of phone / cable or

satellite systems / DVR, Slingbox, Netflix, digital linear channels, etc. with IP

Security system connectionsAutomotive telematics

Home ‘hot spot’ Applications?

Home ‘hot spot’ Applications? Control any IP device -- Microsoft has

been working with Whirlpool to allow users to monitor their laundry with their home network, computer, TV, and cell phone.

Continuing growth in American homes operating a wireless network, making the US the leader in adoption of wireless home networks.

Control any IP device -- Microsoft has been working with Whirlpool to allow users to monitor their laundry with their home network, computer, TV, and cell phone.

Continuing growth in American homes operating a wireless network, making the US the leader in adoption of wireless home networks.

Wireless securityWireless security

Wireless ‘cloud’ -- public places Encryption types

WEP -- Wired Equivalency Privacy easily hacked -- do a ‘Cracking wi-fi’ or cracking WEP search on

YouTubeWireless Hacking / WEP hacking / Free wi-fi anywhere

WPA -- Wi-Fi Protected Access 128 bit encryption WPA Personal -- password protected WPA-Enterprise -- server verified

Evil Twins Phony hotspots to steal information

Wireless ‘cloud’ -- public places Encryption types

WEP -- Wired Equivalency Privacy easily hacked -- do a ‘Cracking wi-fi’ or cracking WEP search on

YouTubeWireless Hacking / WEP hacking / Free wi-fi anywhere

WPA -- Wi-Fi Protected Access 128 bit encryption WPA Personal -- password protected WPA-Enterprise -- server verified

Evil Twins Phony hotspots to steal information

What else?What else? RFID (ubiquitous?) Smart Home (video) / robotics Speech recognition

Types: Discrete, continuous & complete Speech recognition gone awry Better success demo (click screen when page

loads) Ultra HD video (cinema--replace film

projection) Electronic paper (Kindle, iPad) (e-paper

demo) Wikis

GIGO conundrum?LA Times experimentGoogle docs as collaborative authoring?

RFID (ubiquitous?) Smart Home (video) / robotics Speech recognition

Types: Discrete, continuous & complete Speech recognition gone awry Better success demo (click screen when page

loads) Ultra HD video (cinema--replace film

projection) Electronic paper (Kindle, iPad) (e-paper

demo) Wikis

GIGO conundrum?LA Times experimentGoogle docs as collaborative authoring?

Virtual / Augmented Reality (RWWW)

Virtual / Augmented Reality (RWWW)

Second Life (promo/commercial)Google Earth and other

competitorsEducation, Entertainment, etc. in a

‘virtual world’?Google Glass

Second Life (promo/commercial)Google Earth and other

competitorsEducation, Entertainment, etc. in a

‘virtual world’?Google Glass

Semantic webSemantic web

Computer speed, power and storage

How to simulate touch, smell, tasteHMD, haptics, immersive

environmentHuman-computer interfaceThinking machines ###

Computer speed, power and storage

How to simulate touch, smell, tasteHMD, haptics, immersive

environmentHuman-computer interfaceThinking machines ###