According to the latest data from mobile advertising firm AdMob, the iPhone accounts for 50% of all worldwide smartphone ad requests. The company’s newly-published October Mobile Metrics Report (PDF Link) also shows the iPhone accounting for more than 22% of requests from all handsets worldwide, making it the top handset model, followed by the iPod touch with 9.8%. In the U.S. market, the iPhone fares even better, taking a 55% share of all smartphone…
