UNITED NATIONS - Typically, only heads of state and titans of industry get an audience on the 38th floor of the marble-and-glass tower housing the United Nations (news - web sites). So when the president of a California nonprofit corporation with an unwieldy name — the Internet Corporation for Assigned Names and Numbers — met Friday with Secretary-General Kofi Annan (news - web sites), it signaled the group's importance in a computer-driven world. ICANN (news - web sites) oversees the Domain Name System — such as ".com," ".net" and ".org" — that allows computers to find each other in cyberspace....