Facebook's revenue will eventually shift from display advertising to data selling. There will come a time when no display campaign will run without input from F

Facebook's revenue will eventually shift from display advertising to data selling. There will come a time when no display campaign will run without input from Facebook. Before any impression on any online media, advertisers will make a query to Facebook to find out which of the ads should be shown to this user. And Facebook will charge a small fee for each such query.