Think before you like. A well-populated Facebook page offers an open portal into your buying persona. Once an opportunistic marketer learns which books you read, which movies you like, and which types of food you prefer, it is game on.
Yes, I have to admit -- I'm really into it now. I blog and tweet things. I'm not only on Facebook, but I'm on Google+ too. And my kids? I've left them in the dust. They don't even know what Hootsuite is. I mean, how out of it are they?