FourthWall is a trusted media analytics company providing targeted advertising solutions and data services for various platforms. FourthWall aggregates household TV/streaming viewership data and offers a linked "Do Not Sell or Share My Personal Information" opt-out form (linked from its privacy page); you can also email privacypolicy@fourthwall.tv to request access, correction, or deletion. It honors Global Privacy Control browser signals automatically, and states it may re-ask for authorization to sell after 12 months, so re-check annually. Its own California Delete Act metrics report a median 6-day response, though the stated legal window is 45 days.