What are the twelve factors that go into a successful cloud architected application? While at NDC in London, Carl and Richard sat down with Ian Cooper to talk through the twelve factors approach to building software. Ian talks about focusing on building software-as-a-service style application, likely in the cloud (and certainly using cloud architectures), with continuous delivery of new features. While agnostic to any particular technology, there are lots of common practices here that make sense when building any kind of application, just doubly so for SaaS-style applications. Have a listen!