The Interactive Advertising Bureau on Monday introduced a set of guidelines aimed at bringing more standards to online video advertising — and ultimately to make the still burgeoning medium easier for advertisers to buy.
The new guidelines cover three basic forms of online video ad formats: linear ads — interruptive video spots which are typically of the pre-roll variety, non-linear ads — which include the increasingly popular ‘overlay’ ad units, and companion ads — bannerlike ads that appear alongside video as it plays on the Web.



