How the peer pressure to be a part of the blue bubble iMessage text groups keeps US teens locked into Apple’s ecosystem (Tim Higgins/Wall Street Journal)

Tim Higgins / Wall Street Journal:
How the peer pressure to be a part of the blue bubble iMessage text groups keeps US teens locked into Apple’s ecosystem  —  The iPhone maker cultivated iMessage as a must-have texting tool for teens.  Android users trigger a just-a-little-less-cool green bubble: ‘Ew, that’s gross.’