Coinbase Global, the largest U.S. cryptocurrency exchange, made its Super Bowl debut with a QR code ad so popular that it crashed the app and forced the company to throttle traffic to its site. The ...
Not all smartphones require a third-party app to scan QR codes. Kurt "CyberGuy" Knutsson shows you how to scan codes using ...
Your smartphone is full of surprises. There's an app if you want to use your phone as a magnifying glass or scanner. Tap or click here for hidden apps on your smartphone and how to find them.
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