The Lenovo ThinkVision M14t Gen2 takes what we like best about previous portable monitors in the company’s M14 line—the touch-screen functionality of the M14t and the higher resolution and ...

All this while also enabling 10-point touchscreen abilities, again limited only by the ... of the lower screen, blocking it but allowing the unique design of this portable monitor to shine ...

Here’s a bulky old CRT monitor used as a touch-screen without any alterations. It doesn’t use an overlay, but instead detects position using phototransistors in the fingertips of a glove.