> Over time, the annoyance and frustration that built up between blue and green bubbles evolved into more than a tech problem. It created a deeper sociological divide between people who judged one another by their phones. The color of a bubble became a symbol that some believe reflects status and wealth, given a perception that only wealthy people buy iPhones.
...
> On dating apps, green-bubble users are often rejected by the blues. Adults with iPhones have been known to privately snicker to one another when a green bubble taints a group chat. In schools, a green bubble is an invitation for mockery and exclusion by children with iPhones, according to Common Sense Media, a nonprofit that focuses on technology’s impact on families.
> “This green-versus-blue issue is a form of cyberbullying,” said Jim Steyer, the chief executive of Common Sense, which works with thousands of schools that have shared stories about tensions among children using messaging apps.