It's what my friends and I affectionatly call "crack" book.

It's completely addicting, but I also find it's nice to have a "snapshot" idea of what my friends and family are doing with out having to make a phone call, check a blog, etc. It's all right in front of you.

FYI you can choose to "ignore" someone who requests to be a friend that you don't want to have access to your info. Basically you can block out whoever you want. It is as detailed or vague as you make it.

Just my .02

Jen