Ability to send pictures without lossy compression, for one. Scheduled messages, group chats that preserve history (allowing one to rotate a phone number withou

Ability to send pictures without lossy compression, for one. Scheduled messages, group chats that preserve history (allowing one to rotate a phone number without losing access to history). Video calls that allow one to sync the video orientation. UX that is just better designed for the lay person (at least as far as my rudimentary a/b testing goes).