In 2008, despite my failing eyesight, my Windows laptop with ZoomText empowered me to operate my own software development business. I had partnered with Bob, a Mac user. We both had prior Unix experience. With Windows, Mac, and Unix covered, we were a cross-platform development powerhouse.
At a customer site, while Bob was doing a presentation on cache optimization, I mistakenly dumped a binary file in a console window, and my system speaker beeped for every unprintable character. At…