https://hungwenlin.com/blog/2009/palm-pre-%e5%8a%9b%e6%88%b0-iphone%e3%80%8c%e8%b3%88%e6%9f%8f%e6%96%af%e5%8f%b3%e6%89%8b%e3%80%8d%e5%87%ba%e6%8b%b3%e6%89%93%e6%9c%ac%e5%b0%8a/