IAB's Video Advertising Categories
From the announcement of the Interactive Advertising Bureau (IAB):
"a milestone document that helps marketers and agencies maximize their understanding and use of digital video advertising. An informative primer on digital video’s metrics, technologies and products, the document provides an overview of the constituents of the video advertising ecosystem, a look at the current state and challenges of the business of video advertising, an explanation of in-stream and in-banner video, and an appendix of definitions and nomenclature commonly used in the platform.
Recommended Download if you think, want or have to implement digital video advertising (PDF, 3,1 MB)