Social Networks & Blogs Now 4th Most Popular Online Activity, Ahead of Personal Email, Nielsen Reports

Other key findings include:

* One in every 11 minutes online globally is accounted for by social network and blogging sites.
* The social network and blogging audience is becoming more diverse in terms of age: the biggest increase in visitors during 2008 to “Member Community” Web sites globally came from the 35-49 year old age group (+11.3 million).
* Mobile is playing an increasingly important role in social networking. Nielsen found UK mobile Web users have the greatest propensity to visit a social network through their handset, with 23 percent (2 million people) doing so, compared to 19 percent in the US (10.6 million people). These numbers are a big increase over last year – up 249 percent in the UK and 156 percent in the US.