More reliable, especially if many accessing at once
You can create playlists that include original and other people’s videos
Export/Publish to YouTube common for many video editors and screencast extensions.
Easier to embed into website
Key Things to Know:
Your Channel: Your Username is your channel - you have your own personal broadcast space!
Playlists: Much like music playlists, you can have several and customize them for whatever purpose you’d like. In classroom, consider playlists for different units or projects. You can have a combination of your own original works and links to other quality videos you find on YouTube.
Bells and Whistles:
Simple Video Editing (probably better to use imovie of WeVideo and then upload/export to YouTube)