ph.d. in engineering or software developer, you can name -- you can decide where you want to work. apple, google, microsoft, facebook, twitter. the world is your oyster, right? and we have to compete to get those people. they come to amazon because it's such a compelling place to be and people love to work there. one of the things in the story, to suggest that people should come to amazon if they want to work hard is somehow a bad thing. if you're a smart person who wants to innovate and create, of course you want to work hard and you want your ideas heard and you want the possibility that your idea will actually be created and developed and become an innovation that becomes part of amazon's business in the future. >> let's stay in touch and see if any changes come out of this, including the paternity policy which you say is one of many that the company is looking at now. >> thank you very much. is the explosive growth of budget airlines behind the sear roifs deadly air crashes?