Superbowl ads, TV ads, radio ads, print ads, billboard ads, public transit ads, youtube ads, podcast ads, search ads, e-mail ads, social media ads, in-app ads, in-store ads, sports team sponsorship, individual athlete sponsorship, stadium naming, product placement ads, elevator ads, cinema ads, bathroom ads.

And Coca-Cola doesn't increase their advertising budget just because someone finds a new place to slap ads on - they just re-allocate their spending.

Sure, Google and Facebook make a good chunk of money from ads. But it's a very, very competitive business.