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Episode summary: A listener wrote in asking which is the busiest shipping lane in the world. Ruth Alexander tries to find out with sea traffic analyst and former captain, Amrit Singh and Jean Tournadre, a researcher that uses satellite date to ships. Producer: Darin Graham Editor: Richard Vadon Image: Freighter ships in Thessaloniki, Greece Credit: Getty Images

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Two ways to respond: webmentions and comments

Webmentions

Webmentions allow conversations across the web, based on a web standard. They are a powerful building block for the decentralized social web.

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