https://qooah.com/2011/06/04/%e5%82%b3%e8%aa%aa%e4%b8%ad%e7%9a%84-motorola-%e5%9b%9b%e6%a0%b8%e6%89%8b%e6%a9%9f%e5%8f%8a%e5%b9%b3%e6%9d%bf%e6%9b%9d%e5%85%89/