At the left side of each content is indicated the user who saved as "Public" the video content.
You can click in the "user name" to look what are the contents saved by the user.
It helps to look for example all recommended contents by a specific user like your teacher/ trainer, your TV cable operator or any that you would like to follow.
When you click in the user name, beside the each content, all saved as "Public" by the user will be showed.
Every user has saved contents that they could be very usefull: