"I'm a struggling artist, frustrated writer, ...
A typing interface (if it can be called that) where the user speaks what they want to input and the computer would just translate the audio data into text.
A typing interface (if it can be called that) that seeks to allow the user to just write what they want to input and the computer would convert the handwritten data into text.
A typing interface where the user may input characters by pressing several buttons at the same time, just like a pianist would play a chord by pressing several keys at the same time.
A more interesting typing interface designed for touchscreen phones, with the complaint that QWERTY and other keyboard layouts are too small for touchscreens. The layout needs one to train in it but it is fast to the point that it was used before to break the Guinness World Record for fastest ...
A special keyboard layout designed for two hands with the number keys in the middle of the keyboard. It is a very good example of a specialized keyboard that one needs to train in before using it.
A seeming compromise between Dvorak and QWERTY, Colemak was created for those who shared Dvorak's sensibilities but had a hard time adjusting to it. Colemak somewhat resembles QWERTY but was designed with Dvorak sensibilities in mind.
An example of an obsolete typing interface, created by the law in Portugal and used as the official layout of typewriters in public administration and a lot of private divisions. Has been replaced by AZERTY, and then QWERTY.
Another touchscreen keyboard, this time focusing more on swiping actions across the keyboard to input the words. Features predictive text as well as the ability to just slide the finger across the screen to input words.