The idea is to enable convenient video collecting for enjoyment offline, in the living room, or anywhere else at the user’s convenience. What is lost is the context of a video on a page with the comments and links surrounding it. What’s gained is the opportunity to build a permanent web video library.Read more at the link, or just watch this:
The product is free, and Real plans to make money by charging people to burn videos to DVDs (CDs are free). Beyond the RealVideo format, playback works for Windows Media, QuickTime, and most importantly Flash.