https://qooah.com/2012/02/28/motorola-%e6%96%bc%e5%be%b7%e5%9c%8b%e7%94%b3%e8%ab%8b%e7%a6%81%e5%94%ae-apple-%e7%94%a2%e5%93%81%e5%a4%b1%e6%95%97-2/