What are the best platform of IM?

Skype is the most used instant messaging system right now. One of the very popular on demand apps and is used by many all over the world.

I got this picture from this link: http://www.macrumors.com/2013/03/07/skype-updates-ios-app-with-new-calling-experience-and-bug-fixes/

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Tencent qq is mostly used in China and it is used by millions of people over there.

I got this picture from this link: http://blog.gmeochina.com/?p=262

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Facebook Messenger is also very popular now because a lot of people in this world use Facebook today so it`s a good thing they have an Facebook Messenger/Chat for friends to communicate.  

I got this picture from this link:

http://www.imore.com/facebook-messenger-iphone-goes-20-includes-iphone-5-support







 
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 Also, there is iMessage by iPhone. This app is specifically used by iPhone lovers and not only you can iMessage for free with your fellow iPhone users, you can also FaceTime, a Face-to-Face conversation with friends.







 












I got this picture from this link: http://appadvice.com/appnn/2013/03/apple-faces-yet-another-security-issue-in-the-form-of-imessage-denial-of-service-attacks