It wasn’t too long ago when the desktop computer was the dominant online platform and the central hub for all the consumer’s digital activities. But with the proliferation of smartphones, soon followed by the tremendous success of the tablet, mobile’s rise has been swift and unrelenting. Last year saw the U.S. become a multi-platform majority, a significant milestone in which the majority of digital consumers used both desktop and mobile devices every month. Around the same time, mobile first surpassed desktop in terms of total digital media engagement. And finally, just this year another key milestone was reached — the app majority — where now the majority of all digital media time spent occurs on mobile apps.