I agree, it's an excellent post. Another caveat that relates to #2 is that a lot of people get so obsessed with the back end that they build it before they fig

I agree, it's an excellent post. Another caveat that relates to #2 is that a lot of people get so obsessed with the back end that they build it before they figure out what problem they're trying to solve in the first place. Without knowing what the user is going to do with the application, how can you design a back end to support it?