[echelon]

Leap-frogged has the connotation of "progress".

Walled gardens and controlled ecosystems are horrible and concentrate power in the gatekeepers.

I hope the experience is kludgy and user unfriendly to the point that startups not contained in the straightjackets of other systems continue to win out.

[afiori]

On the other hand the only ecosystem where SMS work decently is the Apple walled garden that IIUC is not run on actuall SMS technology.