“The Internet’s phone book is up for sale — and though the listings may represent a treasure trove for marketers, the move also risks a serious privacy backlash. At issue are millions of entries in the domain-name database operated by the Network Solutions unit of VeriSign Inc., Mountain View, Calif. It is, essentially, the master address book for the Internet. Since the dawn of commerce on the Web, companies that want their own dot-com addresses have registered with Network Solutions.”