Yahoo! watching attention
The Web portal company does not give personal information to advertising clients but tracks a few types of behavior by its users, including search queries, movement through Yahoo sites and the specific ads clicked. That lets it decide on the fly what ads are most appropriate for a user.
Welcome to the world of attention, Yahoo! Now, what can I get from you (or your advertisers) if I show you some of my behavior on Google?
Because I can, you know…..