Apple’s iOS and OS X messaging product iMessage is used by millions upon millions of people around the world, and for the most part, it’s a great service. iMessage includes none of the bells and whistles found in other popular messaging apps like WhatsApp, Kik, Line and BBM, but Apple did a great job of providing just enough differentiation that users feel even more locked into the iOS ecosystem.
Here’s a perfect example from my own experience:
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