I have also been noticing this for a while now... there was a hacker news recently about banks and other firms mining behavioral biometric data (cursor freezing

I have also been noticing this for a while now... there was a hacker news recently about banks and other firms mining behavioral biometric data (cursor freezing, typing speed, phone angle, probably a load of other metrics likehow often you backspace and pause to reflect what you write or rewrite) for authentication purpouses... Perhaps google is doing this too?