Coinbase's ad for its cryptocurrency exchange site featured one long shot of a QR code (a type of barcode that can be scanned by smartphones) floating around the screen like a classic screensaver. But ...

The bouncing ad, reminiscent of DVD player logos, allowed viewers to scan the code, taking them to a cryptocurrency website offer. CNET editor Gael Fashingbauer Cooper, a journalist and pop-culture ...

Of course, take the visitors figure with a pinch of salt. The number comes from the company itself, meaning the story could be summed up as “Coinbase says its own advert was actually super, duper ...