The first "commercially useful" quantum computer will be available in the next five-to-seven years, Amazon 's top artificial intelligence executive told CNBC on Wednesday. Peter DeSantis, who is a few months into his role leading a new Amazon organization focused on AI models, chips and quantum computing, said the technology will then grow in a similar way to the advancement of semiconductor capabilities. "I actually do believe, over the next five-to-seven years, we're going to start to see the