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My favourite comment from the old discussion came from andrewreds:

> WHAT... why would you completely black out the number, where you could instead use random coloured squares, that look like it is a blurring, so someone can go through all the effort, decoding your white noise, and thinking in the end they have your number... when they don't ;)

https://news.ycombinator.com/item?id=1939807




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