I'm not sure that's a joke. You could upload each pic to both /r/puppies and to /r/kittens, and classify by net upvotes or something. Then you can use the resul

I'm not sure that's a joke. You could upload each pic to both /r/puppies and to /r/kittens, and classify by net upvotes or something. Then you can use the result as training or benchmarking data for a "real" algorithm.