A system that assumes that everyone is on GMail will tend to ensure that everyone is on GMail, whether or not that's a good thing.
Decentralization leaves the possibility of that situation changing open. That matters.
(Or, less philosophically: there was a time that everyone and their dog were on Internet Explorer. I think we're all glad that we didn't close the door to browsers other than IE.)
Decentralization leaves the possibility of that situation changing open. That matters.
(Or, less philosophically: there was a time that everyone and their dog were on Internet Explorer. I think we're all glad that we didn't close the door to browsers other than IE.)