So far I haven't found much content apart from informed expert commentary (from journalists and programmers and the like) published through books, web pages or discussion lists. The amount of quality content is growing rapidly but 'research' pieces are hard to find. Would anyone find it useful to have a site that tracks the research that people are doing regardless of field of interest? I would personally find it handy. Put that on my TODO list.
FOAF updates: Trust rankings are now exported, making the data available to other users and websites. An external FOAF URI has been added, allowing users to link to an additional FOAF file.
Keep up with the latest Advogato features by reading the Advogato status blog.
If you're a C programmer with some spare time, take a look at the mod_virgule project page and help us with one of the tasks on the ToDo list!