33Across launches “first open exchange with only viewable inventory”

The ad platform’s new AttentionX exchange scores ad space pre-exchange, making a viewability guarantee ‘superfluous.’ Only in an industry like digital advertising would the ability to show most of the ad for at least one second be considered a feature. Barry Levine, the author from MarTech, covers 33Across’ launch of AttentionX, which it describes as the first open ad exchange containing only viewable ad inventory.

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