> only have two closely coupled revenue lines ( search and ads ) There is (practically) no "search" revenue that is not "ads" revenue. Ads is close to 90% of a

> only have two closely coupled revenue lines ( search and ads ) There is (practically) no "search" revenue that is not "ads" revenue. Ads is close to 90% of all Google's revenue. The remainder is not broken down in the earnings report, although I suspect it's largely their cloud computing business. Thus, Google's two revenue lines are really ads and cloud, with the latter much smaller than the former, and probably with a lower margin too.