So, related to our Tuesday post: what is the Internet, anyway? Journalist Andrew Blum takes on that question, exploring the physical reality of what makes the Internet work in a TED video. In the process, he discusses the problem of squirrels, interocean cable, and building redundant connection points in Africa.
A little bit more fun version of what the internet is: http://www.youtube.com/watch?v=pCKNYjkWRtg
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