Grant Hindsley/ BBC(Credit: Grant Hindsley/ BBC)CTRL+ALT+DEL, but make it forever. As technology marches on, some people get trapped using decades-old software and devices. Here's a look inside the strange, stubborn world of obsolete Windows machines.Earlier this year I was on my way to a checkup at a doctor's office in New York City. As I rode up to the 14th floor, my eyes were drawn to a screen built into the side of the lift. Staring back was a glimpse into the history of computing. There, in...