Microsoft CEO Satya Nadella believes that as AI becomes more powerful, it will have a significant impact on 'knowledge work'.He predicts that AI will redefine knowledge work as it becomes capable of tasks previously done by humans.Although certain jobs are likely to be impacted or become obsolete, knowledge work is not going away - it will evolve.Nadella expects AI agents to require a supervisor, which will be the 'knowledge worker' of the future.