Andrew Blum: What Is the Internet, Really?

When a squirrel chewed through a cable and knocked him offline, journalist Andrew Blum started wondering what the Internet was really made of. So he set out to go see it -- the underwater cables, secret switches, and other physical bits that make up the net.

When a squirrel chewed through a cable and knocked him offline, journalist Andrew Blum started wondering what the Internet was really made of. So he set out to go see it -- the underwater cables, secret switches, and other physical bits that make up the net. For more information visit www.ted.com.

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