I do not know as much about perceptual hashing as I would like, but have considered it for a little project of my own. Still, I know it has been floating aroun

I do not know as much about perceptual hashing as I would like, but have considered it for a little project of my own. Still, I know it has been floating around in the wild. I recently came across it on Discord when I attempted to push an ancient image, from the 4chan of old, to a friend, which mysteriously wouldn't send. Saved it as a PNG, no dice. This got me interested. I stripped the EXIF data off of the original JPEG. I resized it slightly. I trimmed some edges. I adjusted colors. I did a one degree rotation. Only after a reasonably complete combination of those factors would the image make it through. How interesting! I just don't know how well this little venture of Apple's will scale, and I wonder if it won't even up being easy enough to bypass in a variety of ways. I think the tradeoff will do very little, as stated, but is probably a glorious apportunity for black-suited goons of state agencies across the globe. We're going to find out in a big big way soon. * The image is of the back half of a Sphynx cat atop a CRT. From the angle of the dangle, the presumably cold, man-made feline is draping his unexpectedly large testicles across the similarly man-made device to warm them, suggesting that people create problems and also their solutions, or that, in the Gibsonian sense, the street finds its own uses for things. I assume that the image was blacklisted, although I will allow for the somewhat baffling concept of a highly-specialized scrotal matching neural-net that overreached a bit or a byte on species, genus, family, and order.