Officially becoming Oprah's favorite gadget will no doubt do wonders for Amazon Kindle sales. You know what else will? Knocking $50 off the price for her viewers. It's okay, you don't actually have to watch Oprah. Through Nov. 1, enter the discount code OPRAHWINFREY (no really) to slap $50 off the price at checkout. No one ever has to know. [Oprah via ZDNet]