Some contractors working for Handshake AI say the AI training startup has denied them up to several thousand dollars each for work they performed, after accusing them of breaking platform rules.

AI firms’ voracious appetite for more data has lifted sales for obscure startups doing the industry’s unglamorous work: contracting with lawyers, PhDholders and medical doctors who grade the answers ...

A kitchen-table side hustle is on the cusp of requiring an advanced degree. The data annotation industry has paid hundreds of thousands of part-time contractors around the world to filter, rank, and ...