Erosion of trust due to lack of user control is the only real issue I see outside of guesses like "people will get tired of it". The way Facebook connects data

Erosion of trust due to lack of user control is the only real issue I see outside of guesses like "people will get tired of it". The way Facebook connects data and people is very clever. There is lot going on behind the scenes that you never see as a user. One of the results is that you just don't know who will see what. This results in a lack of perceived control. Here's an example. At a friends wedding, I got introduced to a friend of a friend that I hadn't met before. She knew all about my child and has lots of pictures of him. How? My wife sends picture on her cell phone to her sister. She, in turn, uploads those to Facebook and tags them with my name. That opens up those pictures to her complete circle of friends. One of her friends comments on a picture, and another group of people gets exposed. The result is that I can only assume that hundreds or thousands of random people know everything about my child. The result is also that Facebook is building up a profile of me without my knowledge or participation. That's why I prefer Twitter. They don't try to outsmart me. I know who will see what. It's obvious that everything is public.