>if advertising became more accurately targeted...You'd get in touch with products you were genuinely interested in... there'd be less utterly useless cruft in

>if advertising became more accurately targeted...You'd get in touch with products you were genuinely interested in... there'd be less utterly useless cruft in the ads you receive. Counter-example: facebook.com. Supposedly that site has a lot of info on their users, yet their "targetted" ads are as useless and cruft filled as ever.