From the karaoke machine and the Walkman to Hello Kitty and the Game Boy, Japan's cultural influence can be felt almost everywhere.

That's the theory put forward by our guest on Deep Dive this week, Matt Alt, the author of the recently published book, "Pure Invention: How Japan's Pop Culture Conquered the World."

Taking its title from a quote by Oscar Wilde, "Pure Invention" is a cultural history of postwar Japan, told through the lens of the country's superstar inventions and how they spread across the globe. Hosted by Oscar Boyd.

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