Branding, Marketing, Advertising, PR...What's the Difference?

Lately I've been in several discussions on the importance of branding and marketing yourself, but what does it all really mean?  Joel Widmer of Fluxe Digital Marketing found the best explanation of the differences between branding, marketing, advertising, and PR I think I've ever seen.  I of course had to add my own two cents to show the importance of networking too, since it is a form of all of the above.  Check it out below!