The long-awaited [Basecamp][1] API was just launched. There’s a nifty [Ruby wrapper][2] available already, which uses serialized Yaml packets rather than the usual XML, making things even easier.
I expect interesting things. [More here][3].
[1]: http://www.basecamphq.com/
[2]:http://www.basecamphq.com/api/basecamp.rb
[3]: http://everything.basecamphq.com/archives/000431.php
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