Samsung has released a new video in support of Google’s #GetTheMessage campaign which calls for Apple to adopt RCS or “Rich Communication Services,” the cross-platform protocol pitched as a successor to SMS that adopts many of the features found in modern messaging apps… like Apple’s own iMessage.
I wish we live in an ideal world where we could have a messaging application which is like email. Anyone can run their server and can have whatever messaging client they want. And everything is interoperable.
There's Matrix and XMPP