This technique was popularized on Japanese television and has since been widely imitated and posted everywhere. The original concept was shown on a primetime Japanese variety show. Many others produced (plagiarized) their own tutorials for the web. Even Martha made one.
But this tutorial is perhaps the best of breed that we have seen. Clean and to the point --like most everything Swiss.
Pay attention to the hand placement. It is integral to this swift 2 second speed fold.