Assertion: header bidding | /r/Synonym | pre-bidding
Facets:
value: sometimes
type: TEMPORAL
Source sentences:
text: Header bidding, also known as advance bidding or pre-bidding, is an advanced programmatic technique wherein publishers offer inventory to multiple ad exchanges simultaneously before making calls to their ad servers (mostly DoubleClick for Publishers).
text: Header bidding is sometimes referred to as advance bidding or pre-bidding.