It’s very common in web development for designers and developers to dynamically update a web page's Document Object Model (DOM) and change its structure and content as needed. JavaScript can fetch content asynchronously using a technology known as AJAX that allows you to dynamically load external resources into a container without leaving or refreshing the current page. In this lesson, we’ll cover how to set up a Reveal modal with content that we have to fetch using AJAX: http://zurb.us/2adSOL7