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Every blog post that took off on Hacker News, ranked by the votes of its best submission. 8,469 posts.

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Real-time messaging

Did you know that ground stations transmit signals to satellites 22,236 miles above the equator in geostationary orbits, and that those signals are then beamed down to the entire North American subcontinent? Satellite radios today serve hundreds of channels across 9,540,000 square miles. Unless you’re working at a…