When Zappos first starting advertising I decided to boycott them. I sent them an email as to why I was boycotting them (ads at the checkpoint). Here is their reply (other than spam email - I have not heard from them since):

Hello,

Thank you for contacting the Zappos.com Customer Loyalty Team.

I hope you're having a fantastic day! My name is Jessica I will be more than happy to help you.

We gratefully appreciate your feed back. I will go ahead and forward your email on to the correct location so they are fully aware of your thoughts on this issue.

If you have any otehr questions or concerns please feel free to contact us anytime of the day as we are here 24/7 for you!

Once again, have a great day!

Your friendly Zapponian,
Jessica L