Google's philosophy seems to be that intrusive tracking and behavioral advertising are OK as long as they only happen on the user's device. The result is a wor

Google's philosophy seems to be that intrusive tracking and behavioral advertising are OK as long as they only happen on the user's device. The result is a worst-of-both-worlds: To an end user, it will still feel as if you're being tracked, with ads following you around, etc, but no worries, your privacy is safe because the advertiser doesn't have access to the data...