https://qooah.com/2014/01/24/%e7%aa%81%e8%ae%8a%ef%bc%81-samsung-%e5%ae%a3%e4%bd%88%e5%bb%b6%e9%81%b2%e6%8e%a8%e5%87%ba-tizen-%e6%89%8b%e6%a9%9f/