https://qooah.com/2014/01/26/samsung-%e7%a2%ba%e5%ae%9a-mwc-%e5%89%8d%e7%99%bc%e4%bd%88-tizen-%e6%89%8b%e6%a9%9f%e9%82%80%e8%ab%8b%e5%87%bd%e6%9b%9d%e5%85%89/