Except that your data will get split between local and remote. "Book a return flight to visit mom the next time a flight is under $250". Either your device ne

Except that your data will get split between local and remote. "Book a return flight to visit mom the next time a flight is under $250". Either your device needs to know all about flight times or the remote server needs to know where mom lives, even if she moves. Throw everything into iCloud and there's no need for local processing -- either the audio of your speech or the transcription of your speech is sent to the remote server and everything is done there.