Techcrunch.com found out some interesting things you should know about : "How much are your friends worth? That is the question behind the big debate going on around social networks and data portability. In the last ten days, Facebook, Google, and MySpace have all announced ways to let people access their data (including friends lists) from other sites, except that what they are really trying to do is erect new walled gardens by positioning themselves as the primary repository of that personal and social data. This is valuable data and none of the big players want to cede any more of it than is necessary, which is why Facebook banned Google from tapping into its members’ social data.

But here’s a little secret. All of this data is already leaking out in ways that Facebook and other social networks can hardly control. "

Read the story at Techcrunch.com