By Don Power
"Although it’s been around since 2008, YouTube annotations may be one of the most powerful YouTubefeatures you’ve never heard of.
"Annotations are physically viewable, and in some cases, clickable layers that you put right on top of your existing YouTube videos. These layers alow you to add things like text, notes, and links to your videos, providing a more informative and interactive experience for your viewers.
This article shows you the various styles of annotations currently available and how to add them to your YouTube videos. We’ll also show you some creative YouTube annotation examples that may inspire you to use this powerful, yet often overlooked video-marketing tactic."