Effectv, the advertising sales division of Comcast Cable, helps local, regional and national advertisers use the best of digi ... tal with the power of TV to grow their business. It provides multi-screen marketing solutions to make advertising campaigns more effective and easier to execute. Headquartered in New York with offices throughout the country, Effectv has a presence in 66 markets with nearly 35 million owned and represented subscribers. For more information, visit www.effectv.com. read more