I think Dave is confused about the difference between a protocol like RSS with many producers and consumers (very hard to change, just look at SMTP!), and a ser

I think Dave is confused about the difference between a protocol like RSS with many producers and consumers (very hard to change, just look at SMTP!), and a service API like Twitter's with a single producer (it changes, some apps die that were unsupported already, big deal). "None will make it through this transition without being reconceived." Say what? I can't imagine many apps will require reconcieving because an authorization API changed.