Laptop screens can feel cramped. But what if you could magically just get more real estate without having to carry around a portable monitor? That's precisely the purpose of Lenovo's ThinkBook Plus Gen 6 Rollable AI PC—yes, rollable. It has an OLED display that, with the push of a button, extends the 14-inch screen upward to make for an awkward aspect ratio, but roughly doubles the screen space to 16.7 inches. Two screens are better than one for productivity, but what if one screen could be two ...