Summary:
- The article discusses the Extensibility API, a new feature in web browsers that allows developers to create custom extensions and add-ons for their websites.
- The Extensibility API provides a standardized way for developers to integrate third-party functionality into their web applications, making it easier to extend the capabilities of their sites.
- The article explains how the Extensibility API works, including how developers can use it to create new features, integrate with existing services, and provide a more customized experience for their users.