Many angry readers ask me why I yammer on endlessly.about messaging apps like LINE and Kakaotalk. Why would anybody care so much about this app market niche? Well, one reason to care is that these messaging apps are becoming game platforms.that.are starting to devour the global app market revenue base. The latest App Annie data.shows that in June 2013, no fewer than eight out of the top-10 games in Google Play listed by global revenue were apps linked to LINE or Kakao. The only independent apps on the top-grossing.game list were Candy Crush Saga by King and Puzzle & Dragons by GungHo. This trend has not emerged in American app market yet, because the U.S. messaging market is still dominated

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