A little over a week ago, we first detected several less-than-subtle hints of Rich Communication Services, more commonly known as RCS, in Google Messenger 2.0's code. In case you don't know what RCS is, it essentially adds some useful features to SMS that are similar to what you'll find in Apple's iMessage. Now, for a select few, Google has flipped a server-side switch for RCS.

Google's initiative to make RCS more commonplace isn't new, though; last year, the Mountain View-based company purchased Jibe Mobile, a startup with an RCS platform. Allo was expected to receive RCS support, but since that didn't pan out, Messenger is the very first Google app to support it.

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