10 of the Most Useless Inventions Humanity Has Seen ...

We all know of the many inventions remembered throughout history for their creators' brilliance. Unfortunately, for every awesome invention, there are so many painfully useless contraptions out there that you might wonder how anyone could have thought of them. Let's check out just a few of them!

1. The Control Alt Delete Wand

If you think you already know some of the most useless inventions humanity has seen, you may want to add this one to your list. The Ctrl Alt Delete Wand allows you to press the 3 buttons simultaneously on your keyboard – a task needed to reboot or unfreeze Windows PCs. I guess it's really such an immense effort to use the Ctrl+Alt+Delete shortcut, that we needed a shortcut for it too.

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