Statements like this just sound a little slimy: Everything you do and say on Facebook can be used to serve you ads. Our policy says that we can advertise services to you off of Facebook based on data we have on Facebook.
This is an excellent example of why I love the paid SaaS model so much more than advertising. With a paid app, your customer is your user. With advertising, the customer is the advertiser and they have very, very different goals than the users.