Please provide a comprehensive analysis of #Neuralink, including recent news about its $8.5B valuation and $500M funding round, the involvement of key investors like Founders Fund and Gigafund, updates on FDA-approved trials, and the roadmap for future brain-machine interface developments mentioned by Elon Musk. https://alva.xyz/share/chat?id=1915365569958363136&utm_source=twitter&utm_medium=bot