Worries about a bubble in artificial intelligence investments are absurd, SoftBank Group’s CEO Masayoshi Son said Tuesday, deriding such doubts as backward and akin to questioning the use of cars and planes.Worries about a bubble in artificial intelligence investments are absurd, SoftBank Group’s CEO Masayoshi Son said Tuesday, deriding such doubts as backward and akin to questioning the use of cars and planes.Machine learning & AI[#item_full_content]