✅ The correct answer is:
Reservation buying meanspre-packagedlineups, while auction buying is for individual impressions.
Question:
What is a key difference between reservation buying and auction buying?
Solution:
- Reservation buying meanspre-packagedlineups, while auction buying is for individual impressions.
- Reservation buying includeshard-to-sellinventory, while auction buying does not.
- Reservation buying is done manually, while auction buying is done through a Google representative.
- Reservation buying is done programmatically, while auction buying is done manually.