Computer software for use in advertising and marketing, namely, software for managing and scheduling advertisements; computer software for use in advertising and marketing through the Internet, namely, software for tracking consumer behavior on the Internet; computer software for promoting the goods and services of third parties through asynchronous media methods such as podcasting, namely, software for advertising within downloadable audio and video content; computer software for promoting the goods and services of third parties through the insertion of advertisements into audio and video content, namely, software for insertion of advertisements into downloadable audio and video content; computer software for promoting the goods and services of third parties through advertisements that have been downloaded onto computers and portable electronic device, namely, software for advertising within downloaded audio and video content; computer software for determining audience metrics for advertisements; computer software for determining audience metrics for advertisements that have been downloaded onto computers and portable electronic devices; computer software for use in data analytics and reporting; computer software for recommending audio and video content to users; computer software for use in the distribution of audio, video and audio-video programs; software that captures, monitors and records information about users and usage of audio, video and audio-video programs; computer software for use in publishing audio, video and audio-video programs via electronic communications networks; computer software that captures, monitors and records information about users and usage of audio, video and audio-video programs