MB. See what others say first maybe, I'm in the do it camp tho. Why not get back in touch with old friends. Get closer with family. I don't talk a lot to friends on fb, i do however love seeing pictures of people, where they are, how their family is. A perfect example for me is tonight a friend who I have see in years is having another son with his wife and he put up a reaction of his other boys being told what baby is going to be. It was great.
So I say do it.
The person that you will spend the most time with in your life is yourself, so make yourself as interesting as possible.
