With this multitasking pro tip, you’ll be able to view YouTube videos at the same time you browse the web or do other things on your Mac. It’s a feature commonly referred to as picture-in-picture or PIP for short. Using a free application for Mac call Helium it will float a small window with the video over your other Mac applications. The program is even better when combined with a few browser extensions. View this video for a full demonstration and steps to install everything you need.