This is just abstracting the process of sending a notification to the different backends - which is fairly significant. Apple, for one, requires you to hold ope

This is just abstracting the process of sending a notification to the different backends - which is fairly significant. Apple, for one, requires you to hold open a TCP connection to them, they don't provide a REST-ish sort of interface for sending notifications. The client-side piece is still a bit messy, but that's not where AWS plays anyway.