 Lang is a pioneer in the technology industry, having been the co-inventor of the world's first, patented, dual-deck VCR (videocassette recorder) in 1983, and co-founder of his first public company, Go-Video, Inc.In 1987, Lang invented (and later patented) a solution for efficiently delivering video and audio programs over electronic networks, in “burst” mode, which created a foundation for today's video-on-demand and audio-on-demand systems.He co-founded Explore Technology in 1990, which later became Burst.com, to develop and license this technology.