Ok. I know. You've been hearing that web components are the next big thing for at least a decade, but, over the past couple years, web components have really hit their stride, with new tooling and frameworks that are making them an indispensable tool for web development. This talk will cover what you need to know to begin extending the web with web components. We'll look at the what, why, and how of creating and using web components, including the history of the various technologies behind components, how to start building them now, and digging into plenty of examples.