https://qooah.com/2011/10/27/sony-%e7%a2%ba%e5%ae%9a%e5%b0%87%e8%b2%b7%e6%8e%89-ericsson-%e7%9a%84%e8%82%a1%e6%ac%8a%ef%bc%8csony-ericsson-%e5%b0%87%e6%88%90%e7%82%ba-sony-%e5%ad%90%e5%85%ac%e5%8f%b8/