so far as to rebrand its website as "U.com" and apply for a trademark registration of the same phrase, before sending a letter to ICANN attempting to gain priority for the domain if it should ever become available in the future. References External links ICANN - Reserved domain names Icann Blog Internet Corporation for Assigned Names and Numbers Web's hottest real estate could go on sale, an Associated Press article about the possible release of one letter .coms written in 2005. Single-letter URL-shortening services