... As Netflix has grown its online DVD rental service to 4 million subscribers, giant competitors like Blockbuster and Wal-Mart have jumped into the market. The big players have validated the business model, and offered Netflix its chief competition, at least for now. ¶ But looking far, far into the future, the next generation of competitors will come from companies that are now investing in video-on-demand and IPTV services. The telcos, cable companies, and satellite companies are spending billions to deploy the networks to supply digital content straight into the home, and companies are already offering select services in several cities. ... Link: Red Herring.