https://qooah.com/2012/09/26/google-ceo-%e6%be%84%e6%b8%85%e6%9c%aa%e5%90%91-app-store-%e6%8f%90%e4%ba%a4%e9%81%8e-ios-6-%e7%89%88%e6%9c%ac%e5%9c%b0%e5%9c%96/