The icon of a free communication app "Line" is pictured on an Apple Inc's iPhone in this photo illustration...
The icon of a free communication app "Line" is pictured on an Apple Inc's iPhone in this photo illustration in Tokyo August 14, 2012. Born in the chaos after Japan's 2011 disasters, the smartphone application "Line" has attracted 50 million users faster than Facebook with a made-in-Japan blend of cute and the promise of free communication. Picture taken August 14, 2012. REUTERS/Yuriko Nakao (JAPAN - Tags: BUSINESS SCIENCE TECHNOLOGY)