Near-video-on-demand (in which a film plays on several channels at once, allowing viewers to pick a convenient start-time) is the most promisingapplication, but its success is far from certain.
The chairman and chief executive of Martha Stewart Living Omnimedia (nyse: MSO - news - people ) sold nearly 4, 000 ImClone (nasdaq: IMCL - news - people ) shares on Dec. 27, one day before the biotech company disclosed that U.S. regulators had declined to review its application for a promising cancer drug, Erbitux.