“This is probably the biggest shift since we’ve seen the browser itself become the gateway to the internet. For 30 years, the browser was about navigation. Type, click, explore. Now, with AI, it’s changing the model completely. It’s moving from browsing to delegating,” George Chalhoub, assistant professor at UCL Interaction Centre, told Fortune.

The authors do not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and have disclosed no relevant affiliations beyond their academic appointment. After 27 years, Microsoft has ...