Once there was the <video/> tag, but content distributors decided it wasn’t enough. They wanted more – more power, more protection, more control, more features. So, Encrypted Media Extensions were born and Digital Rights Management appeared in our browsers.In this talk, we’ll explore the technical details behind Encrypted Media Extension (EME),Content Decryption Modules (CDM) like Widevine, and the foundation ofWeb Digital Rights Management (DRM). How? By reverse engineering Netflix and building our own personal Netflix video player!