For consumers hoping to enjoy iOS without spending a lot of money, Apple has started selling iPhones on its refurbished store. The refurbished units will be sold at a discount, but still come with the standard warranty and accessories.
http://www.notebookcheck.net/Apple-starts-selling-refurbished-iPhones.182900.0.html
One could argue they've been refurbishing their ideas for quite a while now...