- As a backup for a VAST asset
- When a video advert incorporates interactive options
- For movies served on cell gadgets
- When VAST isn’t supported
The right reply is: When VAST isn’t supported
Clarification: VPAID is a wealthy media artistic that’s delivered as a further media asset sort inside a VAST tag. VPAID is often used for advert interactivity in a writer’s in-stream video participant. VPAID Asset could be used when the VAST isn’t supported.