CNET: EarthLink and eBay...stretching a bit

"EarthLink will be begin selling e-mail addresses with the domain name to subscribers this week, executives at the Atlanta-based company told CNET'An e-mail address is an extension of who you are, especially on eBay,' said Tracy Boyd, director of personal start pages at EarthLink. The so-called vanity address 'offers extra cache, if you will,' she said.", I won't. How, exactly, is an email with a domain that is a permutation (and a horrible one at that -- It's hard to even read what that says.) of one of the web's largest companies a "vanity" address?