I had not heard of this…
“The industry is also adopting various forms of biometric profiling, including using keystroke patterns. How we type is marked by minute differences, which can create a biometric profile of individuals…” (from Future Histories)
I guess I’m lucky that for me it can be filed under ‘disturbing curiosity’ rather than ‘legitimate concern’. But. Honestly. What a mess we’re in that this is actually a thing.