An auction type in which the bidder who submitted the highest bid pays a price equal to the second highest bid. Also known as a Vickrey auction. This auction type has been in use for over a century for the purchase and sale of a variety of goods and services and is based on game theory as applied to auction dynamics. It's a commonly used auction type in online ad trading.

SCTE-35 (ANSI/SCTE 35 2013) is a joint ANSI/Society of Cable and Telecommunications Engineers standard that describes the inline insertion of cue tones in mpeg-ts streams. The full standard name is 'Digital Program Insertion Cueing Message for Cable.'SCTE-35 is used in the US to signal a local ad insertion opportunity in the transport stream and in Europe to insert local TV programs (e.g. local news transmissions)