How do societies evolve? By gathering ideas, harnessing curiosity, and encouraging creativity-in all walks of life, from sport, finance, industry and of course, the arts.
If there's an overriding them on this site, it's that creativity comes from what we've seen, and done with our lives. For me such things are expressed through music, travel, politics, writing and exercise.
Explore a menu above for my take on our situation.