Picked this story from the OpenStreetMap IRC room – it’s is this very well written blog post by Rich about his thorny experiences in Uganda collecting data for OpenStreetMap.
http://blog.wonderfullyrich.net/2010/01/uganda-treats-you-right
At the time I thought it was ludicrous that they would suspect a white umuzungu as a terrorist, especially one with such as bad cover story that it took hours to explain what openstreetmaps was, that it was a volunteer activity, and that my reasons for doing this was primarily altruistic and maybe I can make money off selling it later
In keeping with some earlier posts:
Indian Nokia map collectors imprisioned
Mapping as a Terrorist Activity