Membrane keyboards are one of the most common input devices, as they’re often found in budget laptops and desktop setups. They rely on pressure-sensitive layers (rubber domes) to register inputs. This ...

(1) Most QWERTY computer keyboards use a single rubber-like membrane underneath the keys that makes contact with a circuit board when the key is fully depressed. Also called a "dome switch ...

So Palm made a sweet little portable keyboard that would fold up and fit in your cargo pocket. And what do we have now for luxury typing on the go? Rubber roll-up jelly keebs? That’s a hard no ...