They did. Do you remember back in the day, when you signed up for yahoo and it asked you for all the things you were "Interested In"? That's what that was. It d

They did. Do you remember back in the day, when you signed up for yahoo and it asked you for all the things you were "Interested In"? That's what that was. It didn't work well. It turns out most people don't answer, and the ones that do lie. Even if that weren't true interests change and you'd never update a profile like that, and the most profitable things to advertise for you'd never put on it in the first place even if you remembered. Even if that weren't true, the people that would would make the most money would be the people who got to you before you got around to updating it. As context: I'm 32 years old now. I've been advertising online since I was 15.