Study: Americans Are Tired of 4G Networks
79% Of People 18-44 Have Their Smartphones With Them 22 Hours A Day [STUDY] | SocialTimes
Millennials and their Smart Phones
Easier Ways to Make Payments With Smartphones - NYTimes.com
About those 2005 and 2013 photos of the crowds in St. Peter’s Square - Innovations - The Washington Post
The history of smartphones: timeline | Technology | The Guardian