I was in downtown San Francisco at a coffee shop with a longtime friend and coworker. We were spending the day reconnecting and working on our respective projects. Laptops were open throughout. As we talked and worked, an older man sat down at our communal table next to my friend. After setting down his drink, he opened his backpack and brought out…a typewriter. I was surprised and more than a little amused. This seemed so odd and out of place; the man and his tech didn