One piece of news that maybe won't blow your mind is that our mobile use around the world is way, way up. In 2013, it grew a 115 percent over the previous year. That's according to mobile analytics firm Flurry. Why? Well here's the interesting part: A lot of things drove growth. Music and other media, games, news all played a role. But the big kahuna of mobile usage last year? Messaging. Simply: The new ways in which we communicate.