US Patent 11218755 Measuring video viewing

System and methods for determining second-by-second viewing activity and viewing metrics associated with video assets output by a plurality of video-viewing devices. The viewing activity may include a viewing mode by which one or more video viewing devices output a segment of a video asset. The viewing metrics may include a viewing count for a segment of the video asset that is associated with a viewing mode by which the one or more video viewing devices output the video segment. These metrics provide detailed information on customer viewing behavior which can be used to drive business decisions for service providers, advertisers, and content producers.