https://qooah.com/2012/09/29/%e7%be%8e%e5%9c%8b%e6%b3%95%e9%99%a2%e6%ad%a3%e9%87%8d%e6%96%b0%e8%80%83%e6%85%ae-samsung-%e7%9a%84%e7%a6%81%e5%94%ae%e5%95%8f%e9%a1%8c/