It’s all about facebook and Google Maps

At least when it comes to Smartphone App Usage, according to the latest survey by  Nielsen on 4,200 people who had downloaded a mobile application in the last 30 days.

The study shows that 21% of American wireless subscribers have smartphones.

The survey also indicates that the average number of apps that a feature phone user has on his or her device is 10, while the average number of apps a smartphone user has is 22. Read more of this post