Wi-Fi 7 is here, and it’s a massive upgrade — but it has one big problem

Walk into any electronics store today, and you will see them: boxes adorned with aggressive fonts, futuristic angles, and price tags that rival a used car. Wi-Fi 7 has arrived. The marketing promises are seductive—speeds that beat wired Ethernet, latency so low it’s imperceptible, and the ability to handle a smart home with a hundred connected devices.