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However, Macquarie's Ben Schachter had calculated the figure after estimating that Google search on iOS and Safari contributed $1.3 billion in gross revenue assuming that Apple represented about 66 percent of Google's total Traffic Acquisition Cost (TAC). Out of the gross revenue, 75 percent was Traffic acquisition Cost, leaving Google with $335 million and the rest going to Apple. This means that for every $1 that Google generates through search advertising via iOS devices, 75 cents go to Apple.
Google: «миллиард и 34%» или сколько стоит быть поисковиком для Apple