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We could also try using square wheels again... just to make sure we didn't miss anything the first invention-cycle.

There's a reason the umbrella has stayed practically the same all these years...

One thing that has changed between earlier umbrella designs and now is that high-precision manufacturing is now cheaper.

My main problem with this umbrella design is just that it's longer than I like. I prefer compact umbrellas.

I've been directing creative brainstorms for many years, and reconsidering things we take for granted, like square wheels, is exactly what we do to trigger new ideas and solutions to problems.

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