posting this here as anybody who is slightly interested in different keyboards would enjoy this read and the 99% episode about it

Left to Write is a three-article set about adaptive writing technologies for one-handed users. This first piece explores accessible keyboards; the next details the process of developing a new keymap for comfortably touch-typing with one hand on a conventional two-handed board; the third explains how to convert your own QWERTY into a single-handed KURTY.