[edelbitter]

The appendix lists what they were collecting, and the amount of samples needed for not just mathematically significant, but also practically useful distinguishing power implies collecting enough for a stable yet unique fingerprint. In that case you could just add a login form.. and still be less hostile than the increasing number of websites that will not let me browse (maybe my mouse movement does not match other humans in my region, idk).

[timshell]

> In that case you could just add a login form

This is the product insight. We're not going to deploy Stroop tasks for authentication :)