Generally I think QR codes are a lame stopgap technology. But this application by the Korean retailer Emart is fairly clever. They deployed 3D "Shadow QR codes" that only work during certain sunlight hours, lunchtime specifically. I could imagine this kinda thing being a fun clue in an alternate reality game. "In Seoul, retailer uses 3D QR codes and the sun to deliver discounts only during its quiet times" (Springwise, thanks David Steinberg!)
Shadow QR codes that only work in certain sunlight
50-year-old operating system ported to 30-year-old digital typewriter
CP/M is an operating system dating to the mid-1970s that found its niche giving cheap 8-bit home computers the flexibility, if not the power, of expensive workstations. The Brother SuperPowerNote… READ THE REST
The worst tech you can buy in 2023
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Report: tech companies losing interest in Texas
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Save $169 on a lifetime license to Microsoft Windows 11 Pro and never look back
TL;DR: Revamp your digital world with this incredible lifetime license to Microsoft Windows 11 Pro, with its seamless interface and top-notch security, for only $29.97 (Reg. $199) until 11:59 PM on 1/07.… READ THE REST
Upgrade your tech for the new year with this refurbished iPad Pro, less than half price right now
TL;DR: Save over $350 on a refurbished Apple iPad Pro 10.5" 256GB, plus a free accessories bundle, with this sweet deal on sale for just $315.99 right now. Tech fans, it's time… READ THE REST
Make your rockstar dreams a reality for only $15.97 with this Guitar Lessons Training Bundle
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