This excerpt taken from the NFLX 10-K filed Mar 16, 2006.
If we are unable to protect our domain names, our reputation and brand could be affected adversely.
We currently hold various domain names relating to our brand, including Netflix.com. Failure to protect our domain names could affect adversely our reputation and brand, and make it more difficult for users to find our Web site and our service. The acquisition and maintenance of domain names generally are regulated by governmental agencies and their designees. The regulation of domain names in the United States may change in the near future. Governing bodies may establish additional top-level domains, appoint additional domain name registrars or modify the requirements for holding domain names. As a result, we may be unable to acquire or maintain relevant domain names. Furthermore, the relationship between regulations governing domain names and laws protecting trademarks and similar proprietary rights is unclear. We may be unable, without significant cost or at all, to prevent third parties from acquiring domain names that are similar to, infringe upon or otherwise decrease the value of our trademarks and other proprietary rights.