LOS ANGELES — QR codes are on the rise. I’ve spotted them everywhere, from subway ads (yes, we have subway ads in Los Angeles) to billboards to movie posters to business cards. And so they’ve ...
You may have noticed the proliferation of QR codes in your mailbox in the last few years. We certainly are moving toward a digital world, and QR codes are part of that evolution. A QR code is a ...
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