It feels like it was just yesterday when most Internet users in the know were using Google Video to get their online video fix. Then, this small video hosting site called YouTube started to gain traction. Soon, it was bigger than Google’s mediocre video service. So Google did the Wall Street thing and bought them.

That was ten years ago. 

In honor of ten amazing, memorable years, YouTube Spotlight put together this rap video featuring the A to Z of viral videos, memes, and YouTube culture. How many of the over 75 references do you recognize?