Unless they add some basic functionality to include Android users, this is the evilest use of their walled garden yet.
Imagine being a teen with an Android in the Apple Invite age, the bullying will go crazy
The whole green bubble thing has got to be one of the stupidest status symbol things I've seen in a long time. Though I have no doubt there are many of them. If anything, it's maybe a good life lesson that many supposed status symbols are breathtakingly stupid to care about.