Where do development patterns fit into your world? Carl and Richard talk to Gael Fraiteur about the evolution of PostSharp into a library for implementing patterns. The combination of aspect-oriented programming and patterns is powerful - providing a means to implement a pattern while keeping it separate from your business code. Gael explores one particular pattern - multi-threading. Postsharp implements half a dozen different multi-threading strategies, so that you can apply the pattern as an aspect to your objects and make multi-threaded coding simpler and safer. Check it out!