I've shifted gears from XML to GPS at the moment, and I'm currently working on making a Pocket PC with a bluetooth GPS into a data-collection system. Dealing with the .NET Compact Framework is interesting, especially as the books all seem to assume that readers are experienced .NET programmers moving on the bigger challenge of the Compact Framework.
That is, of course, backwards for me. I haven't done .NET before, and the .NET Compact Framework appeals because it's simpler than the larger frameworks. Makes it feel like I'm swimming upstream, though.
In the end, though, I'm hoping to have software I can hand to anyone with a Pocket PC, even if they're not geeky genius enough to run Linux on it. We'll see!
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.
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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!