According to a recent update to Apple’s App Store Developer Page, over 76 percent of compatible iOS devices are now running iOS 10 as of Jan. 4, 2017, suggesting that iOS 10 is being adopted at a somewhat faster rate than iOS 9 was last year, which took until March to reach 79 percent of devices. The metrics presented on Apple’s App Store Developer page are measured based on App Store usage, and are therefore limited to those devices actually…