Mobile ad serving and tracking solution company Sam4Mobile has created an infographic-timeline, that illustrating the greatest mobile stories of 2014.
Here are some interesting key highlights:
In January, Facebook started Auto play video format on mobile. It presents (now) 68 percent of its video revenues.
In may 2014, mobile application usage in the U.S reached 51 percent of all time spend on digital media.
For more facts and statistics, check out this visual.