In 2015, scientists from Germany's Saarland University presented us with their iSkin stickers, which could be placed on the body to touch-control mobile devices. Now, led by Prof. Jürgen Steimle, they've built upon that technology to develop what's known as Multi-Touch Skin.
We've seen a number of ideas for making Bluetooth portable keyboards that are compact yet still not frustratingly tiny. The Moky keyboard, however, takes a unique approach. It saves space by allowing its keyboard area to double as a multi-touch trackpad.