Early into testing Lenovo’s ThinkPad X1 Fold 16 Gen 1, I briefly regretted purchasing its dual-display Yoga Book 9i. I bought it months ago, and it improved my day-to-day life in so many unexpected ways, I told myself I’d never buy another single-screen laptop. But then, the X1 Fold showed up with its folding OLED screen and tried to turn me into that Distracted Boyfriend meme as I transformed it from a 12-inch netbook to a 16-inch drawing tablet while shouting to my partner from downstairs, “Co...