I can’t tell you how far your mouse moves, but I can tell you the distance that mine moved because I installed a little app that measured every last centimetre.

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In one continuous hour of working, my mouse moved 123.76 metres. For an entire week, my mouse moved 2.5 kilometres. I clicked my mouse 10,695 times in the same period. Scale it up to a year and my mouse would travel the distance from Bristol to Birmingham!

It’s a fun thing to try, but be aware some apps like this steal your passwords, so don’t use them while working on anything important – my measurements were made under controlled conditions.

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Asked by: Paul Moore, Cambridge

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Authors

Dr Peter Bentley is a computer scientist and author who is based at University College London. He is the author of books including 10 Short Lessons in Artificial Intelligence and Robotics and Digital Biology: How nature is transforming our technology and our lives.

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