What feature allows users to adjust fixed bids for different geographies or device types?
- Recency targeting
- Partner revenue model
- Viewability targeting
- Bid multipliers
Explanation:
Use bid multipliers to automatically increase or decrease a line item’s fixed CPM bid based on different criteria. This makes it possible to have a single line item for many different contexts, rather than using multiple line items for each permutation of your targeting.
Read more here: https://support.google.com/displayvideo/answer/7378954