Facebook market share soars nearly 200% - InternetNews.com

Facebook has done a pretty good job of publicizing its growth, with founder and CEO Mark Zuckerberg penning blog posts heralding significant milestones like 250 million users, then 300 million.

But research firm Hitwise has provided some fresh metrics that put the rapid rise of Facebook in dramatic context, suggesting just how far into the mainstream the social networking phenomenon has moved...