The Data Portability wars just got a little more interesting. Power.com, the service that lets users aggregate their social networks into a single hub, is countersuing Facebook for restricting users’ ability to export and move their own data. The company is claiming that Facebook is unlawfully...

Chances are you use at least two major social networks – 49 million people, for example, visited both MySpace and Facebook in October 2008 (Comscore, worldwide). Nearly 7 million people in the UK use both Bebo and Facebook. A lot of people maintain very different friend lists on LinkedIn than...