If you haven't returned the Kindle yet, pay the difference to remove the ads:
Amazon Charged me $30 to get the Adverts Off my K4 http://www.the-digital-reader.com/2011/10/05/amazon-charged-...
Amazon Charged me $30 to get the Adverts Off my K4 http://www.the-digital-reader.com/2011/10/05/amazon-charged-...
That folder has all the special offers. The Kindle turns the permissions back to the default, but since I don't usually turn on the wifi, I only have to deal with the kindle asking me to go online to see the special offers.