You Tube to end support for third-party pixels early 2020. It has been working with third-party measurement companies to migrate their services into Ads Data Hub. Google says this offers independent verification, yet those vendors are still reliant on Google-supplied data for measurement.
This has been a frustration for advertisers who have been pushing Google (and Facebook) to support truly independent tracking for measurement and verification. Pixels, used to set cookies in browsers, have been used for years to track and measure digital advertising performance. However, cookies are not effective at measuring performance when users bounce around their various devices, and they do not work in mobile apps. You Tube says these limitations and lack of privacy controls in many pixels….