I wonder if it may be simpler to write a site that outputs nothing but RSS/Atom. If user participation is allowed, they can contribute by using PUSH with JSON o

I wonder if it may be simpler to write a site that outputs nothing but RSS/Atom. If user participation is allowed, they can contribute by using PUSH with JSON or something similar. I'm sure the vast majority of mobile apps already function in this fashion (maybe they just use some proprietary format to get the content).