[dedalus]

Google uses this all day multiple millions of times to price their "adsense" ads. This is the basis on which the price and value are quantified to make sure that the general strategy for advertisers is to make sure they bid the "true" price as any other game will increase their counterfactual value thus demoting them

[huac]

Google doesn't, Facebook does: https://www.wired.com/2015/09/facebook-doesnt-make-much-mone...