Any phone that supports SMS, even old cellphones, can communicate with iPhones and appear in green bubbles. iPhones use Apple's iMessage system and display a blue bubble around the text.

The history of blue and green iPhone message ... a seamless and free way to send text messages, photos, videos, and more. The color difference of message bubbles was a visual cue to distinguish ...

One thing that is definitely not "cool," it seems, is having a green text bubble. On Apple's iPhones, instead of conversations appearing in the typical gray and blue, text messages from non-Apple ...

Plus, Apple told 9to5Mac that users will finally have the opportunity to share their location with others inside text threads ... way to dispel the ol' "green vs. blue bubbles" divide?