One year in, big challenges ahead for Meta AI Chief Alexandr Wang

A year after Meta's $14.3 billion bet on Alexandr Wang, the company has its first proprietary AI model, Muse Spark, but remains far behind OpenAI, Anthropic and Google. Developers are largely ignoring it, morale is low after mass layoffs and trust and safety cuts are raising red flags. Now Wang and Zuckerberg must prove AI can generate real revenue beyond ads.