RT Journal Article SR Electronic T1 Second-by-Second Looks at the Television Commercial Audience JF Journal of Advertising Research JO J Advert Res FD WARC SP 71 OP 78 DO 10.2501/JAR-42-1-71-78 VO 42 IS 1 A1 Robert J. Kent YR 2002 UL http://www.journalofadvertisingresearch.com/content/42/1/71.abstract AB Television audience measurement needs better technology, improved competition, larger samples, granular data by time, and a focus on commercial, not program, ratings. This paper shows how data from set-top boxes in digital cable television systems can address these needs.