How can my computer do computer-y stuff without a C:, D: or other lettered drive? If you've come over to the Mac from Windows you're going to be surprised to find that there are no drive letters. You can have as many drives as you want and name them something that suits you.
With "My Queue" you can quickly save videos to watch later.
To add an item to your queue just click the sign next to the video.
Once you've added a video visit "My Queue" to start watching!