The advertising units used in this instance are pre-roll, mid-roll, and post-roll and all of these ad units are like the traditional spot advertising you see on television, although often they are "cut-down" to be a shorter version than their TV counterparts if they are run online.
At this stage, digital marketing primarily involved basic online presence through websites.
Companies embraced the potential of this new platform to showcase their products and service.
[2] In July 2014, Facebook paid an estimated $400 million to acquire LiveRail, a video advertising distributor which uses Real-time bidding to place more than 7 billion video ads a month.
[3] According to Interactive Advertising Bureau (IAB) guidelines, there are three types of video ad formats:[4]