The open-source approach has underpinned many technological breakthroughs, including the Internet and AI. Whilst some providers of products and services, such as AI models and their applications, will want to keep elements of their offerings proprietary, a healthy AI marketplace should be sufficiently diverse to support both ‘open’ and ‘closed’ options. The volume of investment flowing into AI developers of all types of models, rather than one or the other, is evidence of this market diversity. (Paragraph 175) 58 Governance of artificial intelligence (AI)