<p>KakaoTalk, the increasingly popular South Korean mobile messaging app, announced Tuesday that it hit the 100 million global registered user mark just over three years after launch (South Korea itself has a population of only 50 million). The app is one of a number of mobile messaging services growing in popularity in recent months, facing stiff competition from the 250-million-user-strong WhatsApp and more recent competing service MessageMe. Facebook has also stepped up its messaging game in the past year, updating its Messenger app with more features on a regular basis.</p><p><a href="http://allthingsd.com/20130702/messaging-app-kakaotalk-hits-100-million-users/">Keep reading...</a></p><p>Read also:</p><p><a href="http://thenextweb.com/asia/2013/07/02/koreas-kakao-talk-becomes-the-latest-asian-mobile-messaging-app-to-pass-100-million-users/">Korea&#039;s Kakao Talk Passes 100 Million Users</a> (The Next Web)</p><p><a href="http://www.techinasia.com/kakaotalk-reaches-100-million-users/">KakaoTalk Reaches 100 Million Users</a> (Tech in Asia)</p><p><a href="http://www.mobilemarketingmagazine.co.uk/content/kakaotalk-hits-100m-users">KakaoTalk Hits 100m Users |</a> (Mobile Marketing Magazine)</p><p>Explore: <a href="http://news.google.com/news/more?ncl=dOj-8UKtHuFGV-MB3tw76HoPnvohM&ned=us">8 additional articles.</a></p>