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Nothing Phone builds a blue bubble iMessage bridge while Google and Apple fight over RCS
(www.androidcentral.com)
This is a most excellent place for technology news and articles.
Nah, Apple doesn't care.
These bridges like the ones found in Beeper/Matrix require a Mac server to perform the handshake with Apple's.
As long as these servers require Apple hardware to function Apple is making money.
It's roughly equivalent to running iMessage on your Mac at home and making an Android/PC app that remotely sends/receives messages to/from that iMessage app on your Mac.
Nah, if it gets big enough, Apple will care. They literally said (based on court document) that iMessage on Android is a horrible idea because it'll make it easier for people to switch platform.