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My contribution: the Lindy effect applies to design.

The longer something has been considered good design, the longer it is likely to remain good design.

If a design has been good for 100 years, it'll probably be good for another 100 years.

If a design has only been good for a year or two, you should expect that it'll have a much shorter lifespan.

I learned that as The Copernican Principle from Algorithms to Live by. Also based on a power law distribution.

As in we are not special. If we know nothing about the lifetime of an object, we on average can expect to show up precisely halfway into the thing.

Out of curiosity, what are some examples of "100 year" designs?

Bicycles come to mind.

Bathtub

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