HTTP doesn't have pubsub built in. | Hacker News

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		DennisP on July 1, 2012 \| parent \| context \| favorite \| on: What Twitter could have been HTTP doesn't have pubsub built in.

alttab on July 2, 2012 [–]

Rss? FTP?

DennisP on July 2, 2012 | [–]

No. More real-time, more efficient than polling. You're not going to build twitter on RSS alone.

This might qualify: https://code.google.com/p/pubsubhubbub/

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