Designed as a high-tech marketing resource, QR (quick response) codes have many useful applications. These (usually) black-and-white algorithmic codes are gateways to a potential multimedia nirvana.

Are QR codes all hype, or are they a valuable mobile marketing tool? I recently read the contributed post by Joe Gillespie about why quick response (QR) codes are a waste of time. In some instances he ...

First invented for use in industrial applications in Japan in the early 1990s, QR codes were being widely used by consumers when smartphones with QR readers became more prevalent in the 2000s. After ...

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QR (quick response) codes have been around for nearly 30 years. Developed in 1994 by a Japanese engineer for the purpose of tracking components in car factories, they have evolved into a highly ...

Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...

In the early 1990s, Masahiko Hara, an engineer at Denso Wave Inc., a global auto parts manufacturer that falls under the Toyota umbrella, came up with a new type of bar code that could hold ...