1. Mark Zuckerberg wary of brain chip implants

2. Concerns about early-stage technology

3. Neuralink's first human implant

4. Zuckerberg's alternative: AI wristband

5. Neuralink's ambitious goals

6. Skepticism towards Neuralink's claims

7. The future of brain-computer interfaces

8. Zuckerberg's focus on practical applications

9. The debate continues