My own limited personal experience is that a touchscreen is basically useless in a conventional laptop whose hinge only opens to 135-180 degrees. Once you can o

My own limited personal experience is that a touchscreen is basically useless in a conventional laptop whose hinge only opens to 135-180 degrees. Once you can open the screen 360 degrees, you have a fighting chance at being able to take handwritten notes and drawings on a somewhat ergonomic convertible tablet. But I've never had to do this much, and have always preferred pen and paper.