A theme of the last few books I’ve read has been user testing. Specifically, that it is completely unreasonable to suggest that you could produce a system that will work smoothly in production without first getting several actual human users unfamiliar with your system, from your clients or in a related industry, to road-test the system. I think anyone can see that this is a good idea. It’s far too easy to make assumptions about the users’ requirements or use cases. Without user testing...
