it. this isn't worth it. and whatever you like on facebook can now be used as an advertisement. alison kosik is live in new york. allison, let's start with this facebook story. what's the deal? >> reporter: you can relate to this, i can relate to this. we're avid facebook users. if you don't want to be an advertisement, tough. facebook is going to be like this. if you click "like" if you use the check-in feature, if you mention a company at all in your postings, it's fair game for facebook. it means facebook will grab it and use it as an ad. so let's say you post something about facebook -- about starbucks, brooke, and starbucks can grab your post and push it to the right of -- the right side of your friends' pages where the ads are placed and they'll use your name, your picture and what you said. they'll also link to the starbucks facebook page. you basically are becoming an ad, an unwitting participant in an ad that's built around your