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visits member for 3 years, 2 months
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Apr
18
revised What prevents people getting charged over NFC in crowded places?
added 304 characters in body
Apr
12
revised Why is writing zeros (or random data) over a hard drive multiple times better than just doing it once?
web archive link because the original is now gone
Apr
4
revised Are secret URLs secure over HTTPS?
added 202 characters in body