How Alexandr Wang turned an army of clickworkers into a $7.3 billion AI unicorn

Alexandr Wang briefly became the world’s youngest self-made billionaire at 24 by supplying artificial intelligence companies with the one thing they all need: humans. Hundreds of thousands of them. Now his $7.3 billion startup Scale AI is primed to cash in on the biggest AI boom yet—unless someone else can do it better or cheaper. […]