"It is no different than Amazon displaying related products that you might be interested in or Netflix showing you a queue based on your past viewings, in consu

"It is no different than Amazon displaying related products that you might be interested in or Netflix showing you a queue based on your past viewings, in consumer space." Is is very different imho. Looking up contact details of site's visitors by IP is much like following a person back home and try to sell him something just because he stopped by your shop's window briefly. That's just creepy, I would never deal with a company that does that.