The Fusion Keyboard 2.0 is a new keyboard that can be used not only for text input but also as a mouse. This means that you only need to take a single device with you, which should save space and weight.https://www.notebookcheck.net/Fusion-Keyboard-2-0-This-keyboard-comes-with-special-keys-that-also-act-as-a-touchpad.831241.0.html
The concept was stolen from Blackberry. They released devices with touch-sensitive keyboards.