QR codes can only store one piece of data. However, a QR code that can read different URLs depending on the angle has been posted on the Internet and is causing a stir. Playing with the idea of ...
Ever since Meta introduced a QR code-based feature to share Instagram profiles, users no longer had to spell out their account name to a new friend or type it out. The simple ‘Share Profile’ button ...
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.
Let me come clean: For way too long now, I’ve been excited about the 2D optical code format called QR Code. I even convinced TidBITS to put one on every article page for a while. I don’t get a ...
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 ...
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