https://qooah.com/2013/11/07/samsungs-first-mobile-phone-system-z9005-exposure-tizen-samsung-%e9%a6%96%e6%ac%be-tizen-%e7%b3%bb%e7%b5%b1%e6%89%8b%e6%a9%9f%e6%9b%9d%e5%85%89/