Google Hangouts 4.0 is coming. With it come status messages, a more modern chat interface, and a refreshed overall layout that now includes a floating action button. Oh, and there's an Android Wear Hangouts app finally.

But Hangouts is probably far from the world's most popular messaging platform, even if it is the descendent of the widely-used Google Talk (which is now a term so dated to me that I actually had to make sure that's what it was called). There's Whatsapp, Facebook Messenger, LINE, Apple Messages, Skype - and that's just naming a few. Not to mention plain old SMS, which I'm guessing most of us use at least sometimes.

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