Silicon Bund: How Shanghai Became the World's Most Unexpected Tech Mecca The Shanghai Tech Surge (2025 Metrics)• Unicorn births: 17 in 2024 (Global 3)• VC investment: $42B annual (58% growth since 2020)• R&D spending: 4.1% of GDP (Tokyo: 3.6%)• AI patent filings: 8,732 (Global 2)Architecture of Innovation1. Gove