Advertising Guide
						Pre-roll video ad specs
The following pre-roll video ad specifications are for Workbench and Google Ad Manager.
- VAST tags can be utilized for pre-roll video ads. See VAST tag technical specs for additional requirement details. 
- Pre-roll video displays in both portrait and landscape device orientations. One set of assets is needed for all devices. 
- Vertical video displays in full screen only when a user selects the full screen button. 
- Pre-roll video ads will have the ad identifier located on the lower left corner. See Ad identifier for more info. 