https://qooah.com/2013/02/08/%e4%b8%8d%e5%94%af-sony-%e5%b0%88%e5%b1%ac%ef%bc%8csamsung-%e7%82%ba-galaxy-siv-%e5%8a%a0%e5%85%a5%e3%80%8cfloating-touch%e3%80%8d%e5%8a%9f%e8%83%bd/