I finally got back to my Facebook code, after the epic distraction of upgrading the iPhone passed. Anyway :)
I've added some basic code that allows me to take the Facebook stream that comes back and reify it into an RSS feed. I really need to add the comments, since I have those as well, but this is a start. In any case, here's the code:
streamResponse := connection streamGet.
feed := RSSFeed fromFBStream: streamResponse for: 'James Robertson'
The resulting feed looks like this in an inspector; I plan to get this all wired into BottomFeeder tomorrow:

All of this code is in the public store repository; you can load FacebookBundle, Syndication-Handling, and FacebookStreamToRss.
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facebook, social media, bottomfeeder