Tremor Video CEO Bill Day Talks Total Audience with Nielsen
https://www.qa.nielsen.com/us/en/news-center/2015/tremor-video-ceo-bill-day-talks-total-audience-with-nielsen-2/
https://www.qa.nielsen.com/us/en/news-center/2015/tremor-video-ceo-bill-day-talks-total-audience-with-nielsen-2/