Do you know what your city flag looks like? Do you like it? Or, if you don’t think your city has one (and it’s worth checking), do you know your state’s flag?  If you’re not sure why you should care, watch Roman Mars’ TED Talk. Roman is the founder and producer of 99% Invisible, a great podcast on design. The great thing about design, as the name of Roman’s podcast implies, is that when it works, we don’t notice it even as it helps us do our work…or enjoy our lives…or take pride in our city…or any of a number of other things we highly value but don’t often think about it. I’ve been interested in this in part...