There was a research in 2011 about using the accelerometer to log your keystrokes https://www.extremetech.com/internet/92946-a-wiggly-approach-to-smartphone-key

There was a research in 2011 about using the accelerometer to log your keystrokes https://www.extremetech.com/internet/92946-a-wiggly-approach-to-smartphone-keylogging https://www.extremetech.com/internet/92946-a-wiggly-approach...