Engadget asks, "Did AI kill off spam and we just didn’t notice?"
I'm not sure about THAT, but this article is still a very interesting read, and a good overview of how CAN-SPAM isn't considered a great law, how e-postage went nowhere (in spite of Bill Gates' help), and what TensorFlow is and why it matters.
Also: Wow! In this article, Neil Kumaran, Product Manager for Gmail, points out that "Gmail blocks about 10 million spam emails a minute." I guess the barbarians are still at the gate.