Faith writes guides, how-tos, and roundups on the latest Android games and apps for Android Police. You'll find her writing about the newest free-to-play game to hit Android or discussing her paranoia ...

How big your code should be printed depends on how many characters you “encode” into it. It can take an absolute maximum 7,000 characters, but realistically most people will encode about 20 letters or ...

Originally designed for labelling car parts, QR codes have now infiltrated our daily lives in myriad ways. The two-dimensional matrix barcode, a brainchild of Japanese firm Denso Wave back in 1994, ...

Anatomy of a QR code While it is easy for people to read Arabic numerals, it is hard for a computer. Bar codes encode alphanumeric data as a series of black and white lines of various widths. At the ...

Among the many changes brought about by the pandemic is the widespread use of QR codes, graphical representations of digital data that can be printed and later scanned by a smartphone or other device, ...

Scanning QR codes has gotten easier, and now you have multiple options Reviewed by Ryan Perian Scanning a QR code with your Samsung phone is as simple as pointing your camera at the code. Once the ...

In a hotel lobby, two QR Codes promote the same thing: a 10% discount on the breakfast buffet. One sits at eye level beside the elevator buttons, right where guests wait with their phones in hand. The ...