Your firm’s client, Marriott International, Inc. has received complaints from customers that its Web site is pornographic. In investigating the issue, Marriott discovered that several misspellings of its name (for example, Mariott or Marriot) lead users to unsavory Web sites. The person who registered the domain names, Phil, has offered to sell the domains to Marriott. What is this practice called? What is the most efficient avenue for Marriott to pursue to obtain rights to these sites? Is the registrar of the site liable to Marriott? Why or why not?