Flashback: flip phones are dead, long live the flip phone

Flip phones like the Motorola RAZR ruled the world once upon a time. They were stylish, compact and the ability to hang up a call with a flick of your wrist was one of the most satisfying things ever. However, the demand for larger screens would eventually kill the flip phone (and sliders and other form factors), leaving only the ubiquitous slab. Ironically, it is exactly the demand for larger screens that has brought flip phones back from the dead with devices like the Motorola RAZR 2019 and Samsung Galaxy Z Flip. Yes, we're talking about foldable phones. But they are only the most...