UC Berkeley

CS160 - User Interface Design, Prototyping, and EvaluationUniversity of California, Berkeley

Chris Alvarado-DrydenLevi Chang

Matthew DavisJenny Li

Fall 2007

Pyramid Communications Hub

UC BerkeleyUser Need

• Live Demo!!!

– Lots of work to communicate…

UC BerkeleyThe Solution!

• Video Demo

UC BerkeleySystem Architecture

User setup• User enters information into application– Phone number– E-mail address– WhiteList (who can send me messages)

• Information looked up from facebook– UID

• Stored into Database

UC BerkeleySystem Architecture

Sending Messages• User sends message from application• Information looked up from Database• Message Sent!

UC BerkeleySystem Architecture again…

DB

Enter Phone # and/or e-mail

User Setup

Pull data from facebook profile

Lookup info

Sending Messages

Send from facebook

Message Sent!Privacy Settings

UC BerkeleyUser Study: Methodology

• Mixture of two methods• Semi-structured Interview• Script• Open-ended responses

• Critical Incident• Types of questions asked• Noting significant events that affect the action

UC BerkeleyUser Study: Methodology

• 4 users• Different majors• Different experience with facebook• Different experience with texting• Assumed all familiar with e-mail

• Do a few tasks• Think aloud• Explain what you’re doing and why

UC BerkeleyUser Study: Data

•4 Camtasia Recordings•facebook application usability•Voice

•4 Interview Transcripts•Gestures and facial expressions also recorded

UC BerkeleyUser Study: Conclusions

• Common Issues• Broadcast was confusing• White List was confusing• Not enough explanations on certain parts

• Common Concerns• Reliability• Cost

UC BerkeleyDesign Changes

• No more broadcast tab• Changed into separate Text and e-mail tab• Each has broadcast feature built-in

• New White List features• Improved registration flow• Added navigation bar to Settings

• Can now see current phone number and e-mail address

• More explanations in each step

UC BerkeleyFor the future…

• Clean up current features• Based on design changes

• New features • Reply to text and e-mail• VoIP (call your facebook…?) • Custom address book• Sending media texts, data texts, fax…• Make some $$$.... ?

UC Berkeley

Voila!

Questions?