The recently released [Battle.net Desktop App][1] now includes the ability to chat with your friends if they are logged on to that same app, or any of WoW, SCII, D3, Hearthstone or Heroes of the Storm.

[![Battle.net Desktop App][2]][2]


  [1]: http://us.battle.net/en/app/
  [2]: https://i.sstatic.net/tn0kf.jpg