UPDATE from 2011: These View Engines have a subtle release mode caching bug. Peter Mourfield and I have released a better MobileViewEngine for ASP.NET MVC 3 that is closer to what MVC 4 will look like. The updated blog post with the new MobileViewEngine is here. I gave a talk at Mix 09 today called File | New Company: Creating NerdDinner.com with Microsoft ASP.NET MVC. It was a fun, if challenging
![Mix: Mobile Web Sites with ASP.NET MVC and the Mobile Browser Definition File](https://cdn-ak-scissors.b.st-hatena.com/image/square/cc3f9a1509dc0590bf8ce4d8751cf93ce78512b4/height=288;version=1;width=512/https%3A%2F%2Fwww.hanselman.com%2Fblog%2Fcontent%2Fbinary%2FWindowsLiveWriter%2FMobileBrowserDefinitionFileandMob.NETMVC_8F67%2Fimage_10.png)