I have been following different social media trying to determine what works for the learning environment and to build your personal learning network. Actually - each of the different types of social media work, but they have specific purposes.
Facebook works for personal and professional purposes depending on how you connect with others and what you post.
% of participation
Family and Close Friends
Connect and catch up with only people you know Share life and travel experiences
Post pictures Comment Participate in programs like Farmville Poke