It was always interesting to me growing up in the days before LaTeX how, although #math and computer science were clearly joined at the hip— it was only my math homework that was impossible to type. And not just due to missing symbols— there were whole missing models of expression. This has changed in many ways— but the person who can type calculus notes in real time remains rare. Probably, handwriting recognition will fill this need before fast and natural #LaTeX typing becomes common.
