lay of advertising for devices in a networkWO2009002378A2 *2 May 200831 Dec 2008Richard T SchwartzSystem and method for providing audio-visual programming with alternative contentWO2010124171A2 *23 Apr 201028 Oct 2010Telegent Systems, Inc.System and method for information delivery including delivery via video-based keyed or tagged contentWO2014026111A1 *9 Aug 201313 Feb 2014Voss AllanSystems and m