[13of40]

A few years back I worked on a project that involved fingerprinting screenshots of web pages, and compressed image size was pretty much as good as any fingerprinting method we could come up with for comparing the similarity between them.

[momojo]

The off-the-beaten-path nature of this reminds me of banks sending $<arbitrary decimal amount> as a PIN for auth.

[tysam_and]

Makes sense, considering that's not too terribly far off from what the KL divergence does