https://qooah.com/2012/09/15/%e5%be%b7%e5%9c%8b%e6%b3%95%e5%ba%ad%e8%a3%81%e5%ae%9a-motorola-%e4%be%b5%e7%8a%af%e4%ba%86-apple%e3%80%8c%e6%a9%a1%e7%9a%ae%e6%a0%b9%e3%80%8d%e5%b0%88%e5%88%a9/