https://qooah.com/2015/06/18/%e5%be%ae%e8%bb%9f%e8%ad%89%e5%af%a6-cortana-%e5%b0%87%e6%96%bc%e4%b8%83%e6%9c%88%e6%8e%a8%e5%87%ba-android-%e7%89%88%ef%bc%8c%e4%b8%8d%e9%81%8e%e5%8f%aa%e5%b1%ac-beta-%e9%9a%8e%e6%ae%b5/