Privacy advocates' criticism over recent moves by Facebook and Google Buzz begs the question: Is privacy possible in a social network? And, if so, which social-network service does it the best? To answer this question, this month I donned my privacy goggles and pored over the two social networks that my professional peers seem to use the most: Facebook and LinkedIn. I also asked all my Facebook friends and LinkedIn connections to tell me which they thought did privacy better. (I didn't look at Buzz because I admittedly don't know anyone using it.) What did I find out? read more »