[rhizome]

Well, they show you ads based on what they know about you, so if you don't like the ad just give them more information!

[itsdevlin]

Exactly. Like Pandora - here's a bunch of things we think you'll like based on what we know about you. Correct our assumptions and we'll make them better.

[rhizome]

Except with Pandora the effort goes to improving something you actually want.