➀ The author recounts his accidental entry into entrepreneurship, co-founding OmniVision Technologies and later Spreadtrum Communications. ➁ Describes the challenges and innovations faced during the development of CMOS image sensors and mobile phone chips. ➂ Discusses the impact of China's market dynamics and policy support on the semiconductor industry, including the rise of 'Shanzhai' phones and the success of TD-SCDMA standard.