Now Playing: 01-15-14 Marketplace Tech - What drove a 115 percent spike in mobile use?

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.