I was somewhat unnerved when I heard that -- my reaction being something along the lines of "Uhh, yeah, but who told you that?" I'm curious how it determines t

I was somewhat unnerved when I heard that -- my reaction being something along the lines of "Uhh, yeah, but who told you that?" I'm curious how it determines these things, so I'm looking through the unminified JS, trying to understand it. Now if it were to detect and call out that I was trying to reverse engineer it, that would be truly creepy.