XHTML Friends Network• Lets authors annotate hyperlinks with social

information• Leverages (X)HTML features to extend markup

in a compliant fashion• Consistent with the principles underlying the

Web’s creation “The ultimate goal of the Web is to support and improve our

weblike existence in the world. We clump into families, associations, and companies.”

“The trick ... is to make sure that each limited mechanical part of the Web, each application, is within itself composed of simple parts that will never get too powerful.” (Sir Tim Berners-Lee)

XHTML Friends Network• Easy to understand, simple to deploy

<a href=“http://joe.example.com/” title=“Joe’s Blog” rel=“friend colleague met”>Joe Q. Public</a>

• Enables grassroots-level semantics• Author adoption, search engines, and tool creation

already undertaken by the community• Further development is expected — feedback is

most welcome!