The only mistake was not going full-Open from the start. Even with Mono today there are enough proprietary libraries on top of C# that make it still effectively

The only mistake was not going full-Open from the start. Even with Mono today there are enough proprietary libraries on top of C# that make it still effectively windows-only for a lot of things. They can't ever be a JVM killer if they don't run on everything smoothly, and by now with all these JVM languages to use instead of Java I don't think they'll get that chance again. Things like http://www.netmf.com/gadgeteer/ http://www.netmf.com/gadgeteer/ are nice though.