Once in a while, amidst the cacophony of the internet, someone does something so insightful, and yet so utterly simple, people take notice.

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Super Mario was so approachable, so simple, so addictive, and yet so deep.

NEWYORKER: Master of Play

Yet The Story of Lucy Gault is a novel to be fond of: you cannot help caring deeply about the characters and the simple yet awful situation it conveys so starkly.

BBC: Trevor's tragic tale

Nor have they made PCs so cheap and simple as to land the laggards who haven't yet bought one.

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But pi is a celebrity numerical phenomena it is simple and basic enough to be a part of the standard sixth-grade math curriculum, and yet so mysteriously complex that all the supercomputers in the world will never find its last digit.

WSJ: We Can All Have a Slice of Pi | Postmodern Times by Eric Felten