Not only is Tornado open-sourced - it looks like they have done a really nice job of documenting the framework as well on this dedicated site.

Quoted: Tornado is an open source version of the scalable, non-blocking web server and tools that power FriendFeed.

FriendFeed open sourced their web server technology, "Tornado" this week.

Quoted: Tornado looks a bit like web.py or Google's webapp, but with additional tools and optimizations to take advantage of the non-blocking web server and tools.

Quoted: PubSubHubbub is an open, server-to-server web-hook-based pubsub (publish/subscribe) protocol as an extension to Atom, designed to speed up RSS and

Interesting thoughts on scaling high fan-out subscriptions of services like Twitter and FriendFeed

Scoble's half hour video explaining how he uses (and why he loves) FriendFeed

Quoted: I run the online video network for Fast Company magazine at http://www.fastcompany.tv

Video snippets of the panel discussion at Standford about the Lifestreaming applications (including FriendFeed, Pownce, and Seesmic).

Quoted: Last night, BoomTown was invited to moderate a panel for MIT/Stanford Venture Lab at Stanford University's Business School on the topic of lifecasting. In other words, the digital version of TMI (too much information!). Called "Lifestreaming: The Real-time Web," it was aimed at debating the trend toward "sharing our lives with others as they happen," with three entrepreneurs and a venture capitalist in the space.

Publish to FriendFeed is a simple POST once we have the Basic Auth info from the user (username, "Remote Key").

New UI for Friend Feed

.Net FriendFeed API wrappers.