It's about the color of the messages. https://www.wsj.com/articles/why-apples-imessage-is-winning-teens-dread-the-green-text-bubble-11641618009 https://www.wsj

It's about the color of the messages. https://www.wsj.com/articles/why-apples-imessage-is-winning-teens-dread-the-green-text-bubble-11641618009 https://www.wsj.com/articles/why-apples-imessage-is-winning-...