The World Trade Center's twin 110-story towers were designed to withstand gale-force winds and crushing impacts. The creators of the New York City landmark never envisioned it having to withstand 24,000 gallons of burning jet fuel. The Internet was designed as a redundant, self-healing communications network capable of surviving nuclear attack. Its creators never envisioned it having to handle hundreds of millions of simultaneous Web-page requests, video news streams, and instant messages.
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