If that dream arrives, tech investors should recognize the major trends and players in this market. To get started, let's examine 10 fascinating facts about the AI industry. 1. $5.05 billion market by 2020 Research firm Markets and Markets estimates that the AI market will grow from $420 million in 2014 to $5.05 billion by 2020, thanks to the rising adoption of machine learning and natural language processing technologies in the media, advertising, retail, finance, and healthcare industries. 2. 6 billion devices will request AI support 3. $5.4 billion invested in AI start-ups There are currently 1,031 AI start-ups listed on AngelList, with an average valuation of $5.2 million -- which equals