Code Curiosities
The Frozen Finger That Broke the Internet
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In 2021, a single accidental keystroke by one engineer at Facebook wiped Instagram, WhatsApp, and Facebook off the map for 3.5 billion people — and the fix took six hours because the digital 'key' to get back inside the building was locked inside the building. This week, we pull apart the surprisingly fragile plumbing that holds the internet together: the Border Gateway Protocol, a 30-year-old…