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Komando picks

DIY car horn provides a friendly beep

Sometimes we beep our horns out of anger. But other times it’s just a friendly signal or even a way to say thank you. This engineer decided to create a horn for every scenario. Would you want a horn like this inside your car? Watch how he rigs together a horn that makes different sounds.

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Stop robocalls once and for all

Robocalls are not only annoying, but they scam Americans out of millions every year. Learn Kim's tricks for stopping them for good in this handy guide.

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