Assertion: header bidding | /r/HasProperty | conducted by publisher
Facets:
Source sentences:
text: Header bidding is a new, unified auction conducted by publishers outside of their primary ad server, which allows advertisers to cherry-pick impressions at the highest priority.
text: Header bidding is a new, unified auction conducted by publishers outside of their primary ad server, which allows advertisers to cherry-pick impressions at the highest priority using programmatic ad platforms.