Cluztr: share your web surfing in real time

[techpr]

Cluztr is a social network and Firefox add-on that enables users to broadcast and share their web surfing 'history' in real time, as well as chat to others who are visiting the same site. In closed beta, ZDNet has a bunch of invite codes!

More... (http://digg.com/tech_news/Cluztr_share_your_web_surfing_in_real_time)