In addition to founding Canonical Ltd., the Ubuntu Foundation, and funding the Freedom Toaster, Mark Shuttleworth is a space enthusiast. In April 2002 Mark became the second self-funded space tourist and the first African in space. He spent eight days participating in experiments on the International Space Station as part of his $20 million trip. Now he's ready to answer your questions. Ask him anything you like, but please limit yourself to one question per post.
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