Demarcus Lankford saw his dream job flash across the screen. He read about the duties of a child supervisor on a computer program. Scrolling through other categories, the 18-year-old spent 15 to 20 ...

Given the nature and design of smartphones, the touch screen display is one of if not the most important part of the phone, at least for users. When it goes awry, the phone can become pretty useless, ...