- The legal cannabis market predicted to triple in size by 2021 and see more revenue than the NFL. Job growth this year: 20%. High-ranking Google and Apple employees are leaving their jobs to launch cannabis-focused startups. "The evolution or rollback of prohibition is inevitable." https://www.inquisitr.com/4667846/the-legal-cannabis-market-is-predicted-to-triple-in-size-by-2021/ 16 comments science