After her second child was born, Ms Chelsea Becker took unpaid leave and found a side hustle: training artificial intelligence (AI) models for a website called Data Annotation Tech.
For a few hours every day, Ms Becker, 33, would sit at her laptop and interact with an AI-powered chatbot. For every hour of work, she was paid between US$20 (S$27) and US$40. From December to March, she made more than US$10,000.
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