Writing on paper, and typing on the computer or the phone at the speed of speaking has been appealing for me although I came in a generation where that is not important anymore… You can use an AI to transcript voice to text, and such.
That said, I’ve been researching as a hobby on the old ‘trends’ like http://www.fordshorthand.com for handwriting, and http://opsahl.github.io/yash/ when you use a keyboard
Stay tuned…