"Market share" is a very vague term. Nonetheless, iOS beats out Android in web browser usage which is why Google derives much more ad dollars from iOS compared

"Market share" is a very vague term. Nonetheless, iOS beats out Android in web browser usage which is why Google derives much more ad dollars from iOS compared to Android. That is the important metric. "Market share" doesn't mean anything if it doesn't translate to something else that is valued in smart phone terms such as browser usage, paid app installs, app usage, advertising dollars generated. Google does care. Which is why they brought up their Google Maps announcements early last week.