Think your meeting's important? 25 years ago, this one spawned Wi-Fi
If you're reading this story over Wi-Fi, thank a department store designer. It was retail remodeling that spurred NCR, a venerable cash-register company, to find out how it could use newly opened frequencies to link registers and mainframes without wires. Its customers wanted to stop drilling new holes in their marble floors for cabling every time they changed a store layout.
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