Many people talk about merging regular 2D browsing inside 3D words.
One project that is actually doing it is Sirikata.
My take: it is possible.
One question: does all the other avatars in the same room
see the same browser?
More info: MaxPing
It looks simple at the start of the video, but the progress is really nice.
http://vimeo.com/moogaloop.swf?clip_id=4969011&server=vimeo.com&show_title=1&show_byline=1&show_portrait=0&color=&fullscreen=1
