https://qooah.com/2012/02/18/apple-%e5%90%91%e6%ad%90%e7%9b%9f%e6%8a%95%e8%a8%b4-motorola-%e7%94%a8%e5%b0%88%e5%88%a9%e6%89%93%e5%a3%93%e5%b0%8d%e6%89%8b/