See also: Video On-Demand Advertising, Pre-Roll, Post-Roll
CIMM DEFINITION: Ad content that is inserted within a program as in the middle of the video, in On-Demand content.
2: An advertisement that is played at point(s) defined after the beginning and before the end of the VOD content that a viewer requests.
3: Form of online video ad placement where the ad is played during a break in the middle of the content video. (Source: IAB)