This video explains what a "filter bubble" is and how we are being fed very limited information based on our web browsing habits.

This video quickly discusses what the surface web, deep web, and dark web are and how they are individually used.

This video lists four reasons that you should care about your digital footprint and does a great job explaining what your digital footprint is.

This article gives an in depth analysis of the differences between the surface web, the deep web, and the dark web.

This article by Norton, a well-known antivirus, lists 6 great ways that you can use to help cleanup and limit your digital footprint.