The group of gamers responsible for half of all in-game revenue in mobile titles is frightening because it is so narrow, according to a survey by Swrve, an established analytics and app marketing firm. About 0.15 percent of mobile gamers contribute 50 percent of all of the in-app purchases generated in free-to-play games. Read the rest at VentrureBeat. This infographic by Swrve illustrates the in-game purchase behavior of mobile gamers.

Infographic - Mobile Gamers' In-Game Purchase Behavior