Number of Worldwide Users of NHN Japan's Free Calling and Messaging App "LINE" Exceeds 40 Million

Number of Worldwide Users of NHN Japan's Free Calling and Messaging App "LINE" Exceeds 40 Million PR Newswire TOKYO, June 6 , 2012 TOKYO, June 6 , 2012 /PRNewswire/ -- NHN Japan Corporation announced on June 6 that the number of registered users for its free calling and free messaging app 'LINE' (http://line.naver.