Silicon Valley is making a strong bet on AI tools—and AI agents in particular. Mark Zuckerberg, Meta's CEO, believes that billions of people will soon have their own AI agents to perform tasks for them at any time. Meta joins Google in seeing its cash flow impactedHowever, creating AI agents is not cheap. Just as with large language models (LLMs), companies must invest billions of dollars in AI agents. Zuckerberg noted that WhatsApp is the most important platform for Meta AI, although Instagram is expected to incorporate new features soon.