Flashback: a look back at Wi-Fi's history

As the saying goes “home is where the Wi-Fi connects automatically”. As much focus as smartphone makers put on advertising the next-gen cellular connectivity of their phones, many of us spend most of the day connected to the Internet over Wi-Fi. Wi-Fi is certainly not the first method of transferring data between nearby devices wirelessly. Early PDAs used infrared, which allowed them to sync calendar appointments and email inboxes, for example. Infrared is directional, however, so to connect your PDA and PC you needed to aim at the IR adapter and keep still for several seconds. The easiest...

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