Explore the world of browser extensions in this JSConf US 2018 talk by Matt Claypotch. Discover the power and versatility of cross-browser extension development, learning how to create add-ons that work seamlessly across different browsers. Gain insights into best practices, common challenges, and innovative techniques for building extensions that enhance user experiences and extend browser functionality. Delve into the technical aspects of extension architecture, API usage, and compatibility considerations to create robust and efficient browser add-ons.