Providing on-line non-downloadable software for use as an audio-video media player and content delivery platform that manages live or archived streaming audio/video delivery, conferencing and document collaboration, as well as the delivery of webinars, web-conferencing and web-casting used to deliver training, eLearning, educational, marketing and promotional content in any business or educational context, including but not limited to content that can be delivered in a wide range of bandwidths, incorporating slides, application sharing, testing and survey capabilities in an intuitive learning environment