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Isn't this what Gnip is doing, except that Gnip's solution is readily available to anyone who wants it?

In fact, I believe Gnip uses XMPP to push notifications to data consumers, which seems even more efficient.

Am I missing something?




No, Gnip is a complementary service and will likely consume SUP. SUP is intended to make it easier for feed publishers to expose information about which feeds have been updated. Without this information, Gnip can't know when feeds have updated except by polling all of them. SUP allows them to poll a single URL instead.


Got it. So this is designed to be the piece that allows publishers to easily integrate with intermediate services like Gnip, or with aggregation services like FF, SocialThing, etc.


Exactly




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