Google gets all its revenue from advertising and cost per click was down another 8% in 3rd quarter compared to 2012, continuing a trend since 2011:

http://www.hochmanconsultants.com/articles/je-hochman-benchm...

To grow revenue when your product is selling for less you need to sell more of it, so ads will start appearing everywhere. It's just common sense. What else are they going to do... fire people and start a mass exodus?