And even when consumers use Google for mobile searches, they are often doing so on Apple devices like iPhones, for which Google has to pay Apple a fee. Those ty

And even when consumers use Google for mobile searches, they are often doing so on Apple devices like iPhones, for which Google has to pay Apple a fee. Those types of fees are large — equivalent to 25 percent of Google’s revenue in the quarter. Really? Why would Google have to pay Apple a cut of ad revenue from searches? Or is it referring only to searches initiated in the search box in Safari?