Not all smartphones require a third-party app to scan QR codes. Kurt "CyberGuy" Knutsson shows you how to scan codes using iPhone or Androids.
Add Popular Science (opens in a new tab) More information Adding us as a Preferred Source in Google by using this link indicates that you would like to see more of our content in Google News results.
Which Bluetooth barcode scanners are best? A barcode scanner is a must-have for scanning and sorting mail, inventory and other items with barcodes in a retail environment. However, depending on the ...