engine - 2:38 pm on Jul 22, 2010 (gmt 0)
Facebook Reaches 500 Million Users [bbc.co.uk]
Social network giant Facebook has registered its 500 millionth member, the firm has announced.
The site, which launched in 2004, has gained around 100 million new users in the last six months.
Facebook said the number was "an important milestone" and added that it was "humbled and inspired" by the stories of its users, which it is asking people to share on the site.
Like it or loath it, that's a serious number of members to reach.