An app is a small computer program. The features are limited, it is being used on the smartphone, tablet or desktop PC. Common applications include image or text processing software and games.
The word is short for "application". Since the establishment of the iOS App Store in 2008, the term is often used interchangeably with "mobile app" – meaning that the applications work on mobile devices exclusively.
While defectors from North Korea are trying to carve out a new life for themselves in the South, some of them might have come across a rather unexpected challenge: Speaking the language. Luckily, there's an app for that. Jason Strother reports from Seoul.
Today, everyone knows what a smartphone is, even the very young. It's a global phenomenon. And yet it's only a decade since these talented little gadgets first hit our markets. No other form of technology has so rapidly altered our lives in such a short period of time. And it all began with the iPhone.