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QR codes are so popular that nearly every device with a camera lets you scan them. Here's how to do it with your phone, tablet, or computer. How to scan a QR code with an iPhone or iPad Both ...

It's a rarity to find a peer with a printer, let alone a scanner. As technology evolves, it seems like the scanner is going the way of the fax machine, slowly but surely slipping into oblivion.

Save $158 on this app that turns your smartphone or tablet into a scanner Credit: SwiftScan Deal pricing and availability subject to change after time of publication. TL;DR: Have a scanner on hand ...