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Take photos of the surroundings with a camera every 5 seconds or so.
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Then, upload all of them to either Google Photos or Gyazo.
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By doing so, you can do things like what is shown in /masui/Gyazoの超活用 with all the things you see.
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With Google Photos, you can even solve the problem of “Where did I put my wallet?”
- I feel like there has been research on this kind of thing.
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I think this would be convenient not only with a camera in your line of sight, but also with screenshots.