It's lonelygirl15's world, isn't it?

"Another trend seems to be virtual lives - including participation in the "lives" of characters in microshows and beyond -
that is, thier 'character's' blogs, social network sites, even 'real life' events, etc...all of which are, of course, fake.

Kind of a Second Life on steroids, I guess.

http://blogs.msdn.com/socaldevgal/archive/2007/09/29/it-s-lonelygirl15-s-world-isn-t-it-maybe-not.aspx