https://qooah.com/2012/12/06/google-now-%e6%9b%b4%e6%96%b0%ef%bc%9a%e5%8a%a0%e5%85%a5%e7%9b%b8%e6%a9%9f%e6%90%9c%e7%b4%a2%ef%bc%8c%e6%b7%bb%e5%8a%a0%e7%99%bb%e6%a9%9f%e8%ad%89%e7%ad%89%e5%8a%9f%e8%83%bd-%ef%bc%81/