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Only 9% of ads are in-view more than 1 second.Only 50%of all programmaticin-viewinventory is
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We Build Technology That Delivers Consumer Attention
Introducing AttentionX™
The first open exchange delivering only viewable inventory and attention-based advertising
Viewable Open Exchange
High Impact Formats
Attention-Based Buying
Buyers
Go Beyond the Standard
Publishers
More Revenue, Not More Ads
Driving Attention for Leading Brands





















Recent News

December 5, 2019
Publishers Perspectives | By Matt Meyer
Five Tips for Turning Cost Per Impressions into Opportunity
You may be in a full seasonal holiday frenzy but Q1 is lurking around the corner. We don’t want to kill your holiday buzz but we put together a few tips that you can use to prepare for the not so “most wonderful” time of the year. …

December 4, 2019
Product Insights | By Lisa Mollura
What You Need to Know About Engagement Data Signals
For the first time in the industry, we’re excited to announce that we’ve added a set of engagement data signals to our Data Firehose product. Marketers now have access to specific…

November 13, 2019
Press Releases | By 33Across
33Across Unveils First-of-Its-Kind Consumer Data Portal to Address Consumer GDPR Rights
33Across announced a simple, self-service User Data Portal, part of a “privacy by design” centered initiative that limits data collection and makes it easier for consumers seeking to exercise their rights under the General Data Protection Regulation (GDPR)….