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Excel's Custom Data Validation: A Trick You Didn't Know You Needed

If you've used data validation in Excel before, you probably selected the relevant cells, clicked "Data Validation" in the ...
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How to Make a Selfie Flash Light For Smartphone

Learn how to create a DIY selfie flash light for your smartphone with this easy-to-follow guide. Perfect for capturing stunning selfies in low-light conditions, this video will walk you through the ...