Since the concept of artificial intelligence (AI) was formally proposed at the Dartmouth College Summer Symposium in 1956, after more than 60 years of development, AI has grown from a baby to a teenager. The development of artificial intelligence has not been smooth sailing. Its first milestone progress was the IBM “Deep Blue” computer defeating the world chess champion Garry Kasparov in 1997. Since a major breakthrough in algorithms in 2006, artificial intelligence has developed at an exponential rate. 　　 As early as five years ago, the development of special-purpose artificial intelligence and general intelligence was still very uneven. The special-purpose artificial intelligence represented by AlphaGo has a single…