San Francisco has positioned itself as the city for AI research and investment. Here's what's happening on the ground as the idea of San Francisco as "Cerebral Valley" grows from hackathons and cafe sessions in a few city blocks to being a metaphor for the resurgence the city's boosters are hoping for. -------- Subscribe to our YouTube channel: https://trib.al/KM4k5RA Subscribe to Bloomberg Originals: https://trib.al/dJv9Uw8 Bloomberg Quicktake brings you global social video spanning business, technology, politics and culture. Make sense of the stories changing your business and your world. Connect with us on… YouTube: null Breaking News on YouTube: null