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. […]

Here’s who fell off Forbes’ 2023 billionaires list

Many of the planet’s billionaires are poorer this year. Some lost their tenth digit entirely. It was another bad year for billionaires, with the war in Ukraine raging, inflation surging and the crypto bubble bursting. Nearly half the planet’s 2,640 billionaires are poorer than they were in 2022—but some fared even worse: 254 people dropped […]