You need to get out more. :) Early on in my career, I made a living designing network solutions for companies. Warehouses and retail stores in particular neede

You need to get out more. :) Early on in my career, I made a living designing network solutions for companies. Warehouses and retail stores in particular needed large, highly available Wi-Fi networks. Some providers tried to build proprietary protocols/networks, but ultimately, they failed. These days, I'd question working for, or doing work for a company WITHOUT Wi-Fi. I am probably your age or older. I've interfaced with COBOL systems, for example...