The jack-of-all-trades OKPad from Bluegen is a convertible-style 2-in-1 sporting an 8.9-inch (800 x 1,280) IPS display in the usual position. A second screen – a 7.8-inch (1,404 x 1,872) e-ink panel – resides where you'd normally find the keyboard on an ordinary laptop. Both screens are touch-enable...