A couple hours ago, I was watching a video of a guy talking about online marketing and selling, and I thought to myself, "You know what? All these years I've been hearing these terms and I don't really know the difference between them!" So, I searched the internet for the answer and here's one explanation I found:
(Seems like the majority of people who ought to know the difference don't either.)
(Seems like the majority of people who ought to know the difference don't either.)