Unique names are needed to communicate on the Internet; the number of registered root domain names is growing so fast, "it's scary," says Bob McCollum, co-principal investigator for InterNIC Registration Services in Herndon, Virginia. Could someone else register the name of your company, magazine or product? Internic is not in the trademark business: Obvious conflicts they will spot, but most would not be obvious to them. "Sometimes companies call us and say, "What are you doing? That's our trademarked name,'" says McCollum. InterNIC gives them a contact point at the company Genera