September 8, 2012 at 9:56PM Amazon has change of heart, will allow opt-out of Kindle Fire HD ads for $15
September 7, 2012 at 11:11AM Amazon says: yes, you can opt out of ads on new Kindle Fire models (update 3: yes, really)
September 6, 2012 at 8:03PM Every new Kindle Fire model is ad-subsidized with lock screen 'Special Offers'
October 6, 2011 at 5:48AM Ad-supported Kindle 4 has built-in $30 "upgrade", gets rid of embedded special offers
September 28, 2011 at 11:43AM Amazon discounts 'original' 6-inch Kindle Keyboard: now starting at $99