Apple vs. Beeper: Security and Compatibility Battle

The stigma is real. Blue bubbles for iPhone users, green bubbles for those shut out of Apple's walled garden. iMessage has been a way of locking users into the Apple ecosystem for more than a decade. But the exclusionary nature of the battle has since come under fire, and Apple has begun to bend to the green bubble evangelists – just one in a growing number of concessions it's making to appease regulators.