Zappos does something similar with their HTTP headers:
X-Core-Value:2. Embrace and Drive Change
X-Johnny-Unitas-Says:drupal03.zappos.net - Navel fluff is mostly a male phenomenon.
X-Powered-By:Ponies!
X-Recruiting:If you're reading this, maybe you should be working at Zappos instead. Check out jobs.zappos.com
I noticed this about a year ago. Fortunately I was/am employed so I ignored it. Still a cool idea. A lot like those sites that used to add job offers to HTML comments.
X-Core-Value:2. Embrace and Drive Change X-Johnny-Unitas-Says:drupal03.zappos.net - Navel fluff is mostly a male phenomenon. X-Powered-By:Ponies! X-Recruiting:If you're reading this, maybe you should be working at Zappos instead. Check out jobs.zappos.com