The Internet could crash

Danny Hillis uses an appearance on TED talks to suggest the fragility of the internet.  It's not as panicky as it sounds; Hillis is optimistic and talks about simple solutions.  At the same time he talks about how the internet has expanded exponentially along with our reliance upon it, showing how we cannot simply ignore the fragility; something must be done.

A Squirrel ate my internet

Andrew Blum talks about the physical internet.  The talk shows both its apparently infinite growth, and the fragility of the internet.