With satellites above our heads, we can easily forget about the cables that connect us along the ocean floor. Samanth Subramanian, author of “The Web Beneath the Waves: The Fragile Cables that Connect Our World,” joins host Krys Boyd to discuss how internet access, online banking and even making simple calls all happens because of fragile cables running along the bottom of the ocean. The companion piece to his book called “Extremely Offline: What Happened When a Pacific Island Was Cut Off from the Internet” was published in The Guardian.