Deep learning is still a trade. No one knows or understands much. What little we do know, we know from empirical evidence, obtained at great cost in terms of bl

Deep learning is still a trade. No one knows or understands much. What little we do know, we know from empirical evidence, obtained at great cost in terms of blood, sweat, and tears. And also lots of data and compute. Lots and lots of data and lots and lots of expensive compute.