Satya Nadella, CEO of Microsoft, revealed that AI is responsible for writing about 30% of the company's code.The quality of AI-generated Python code is high, but it's not as good with writing in the C++ programming language.Microsoft's AI-generated code percentage is on par with Google, suggesting both companies are making significant use of AI in code creation.Nadella compared the rise of AI to the emergence of electricity and emphasized that real change will take many years to occur.