How does DoubleClick for Publishers work?

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Tags

1. #space
2. #third
3. #other
4. #inventory
5. #using
6. #advertisers
7. #server
8. #intermediary
9. #directly
10. #party
11. #purchase
12. #deliver
13. #networks
14. #network
15. #adsense
16. #hosted
17. #meaning
18. #between