Some people have way more contacts on Facebook than they should, making it a real slog to find out what those you really care about are up to.
While the Windows Phone 7 Mango contacts groups have so far mostly been seen as a way to send group messages, it is also a great way to check up on the Facebook, Windows Live and soon twitter posts from only a selected group of people.
MobilityMinded have published this video showing the process in action, and it appears to work quite well.
Social Media integration is one of the corner stones of Windows Phone 7, with the software already featuring deep Facebook and Windows Live integration, and soon offering Twitter, LinkedIn and other networks in the next major update coming in fall.
Read more at MobilityMinded here.