Which of the following statements about private marketplaces (PMPs) are true?

1. PMPs are invitation-only marketplaces.
2. PMPs allow advertisers broader access to third-party supply.
3. PMPs leverage Amazon’s header-bidding integrations.
4. PMPs extend the benefits of programmatic to specific publisher buys.

Correct Answer:

• PMPs are invitation-only marketplaces.
• PMPs allow advertisers broader access to third-party supply.
• PMPs extend the benefits of programmatic to specific publisher buys.