Did Google’s New Green Ad Labels Affect Ad CTR?

by Mark Irvine
The Google SERP is constantly changing. In fact, Google Chief Economist Hal Varian admits that they “ran six thousand experiments on search [in 2011] and probably another six thousand or so on the ad monetization side […] Google is doing on a rough order of ten thousand experiments a year,” in Nate Silver’s The Signal and the Noise.Read the full article