# Meta shares tumble as Zuckerberg tries to sell his vision for AI ‘agents’ > Source: > Published: 2026-07-29 22:04:47+00:00 # Meta shares tumble as Zuckerberg tries to sell his vision for AI ‘agents’ Source: [Financial Times Technology](https://www.ft.com/technology)Social media chief defends strategy based on personalised bots as costs rise and revenue projections disappoint Get AI news in your inbox Daily digest of what matters in AI.