Some of the licensing issues and delay implications for QuickTime 6.0 surrounding MPEG4 are discussed on the following links, for those interested in audio/video streaming:
http://www.theregister.co.uk/content/6/26219.html http://www.electronicstimes.com/tech/news/OEG20020715S0011 http://www.theregister.co.uk/content/archive/25600.html http://www.macworld.co.uk/news/main_news.cfm?NewsID=4956 http://www.macworld.co.uk/news/top_news_item.cfm?NewsID=4952 http://www.mpegla.com/ Apple's QuickTime link http://www.apple.com/quicktime/products/ ~Jax