The Facebook pixel is a piece of code placed on your website that allows you to measure the results of your ads, optimize campaigns to help get the most actions you care about at the cheapest cost, and build audiences that can be used for improved ad targeting. Through this course, we'll look at how the pixel functions to help you reach audiences that matter most to you. We'll go through how to create and install the pixel, how to use it to understand the actions people take on your website and create custom audiences.