fun facts

Fold ‘n fly

A database of paper airplane designs with all the instructions you’ll need to succeed. | learn more

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The $2 billion marketing letter

“Below is what many consider ‘The Greatest Sales Letter of All Time.’ It sold $2 billion worth of Wall St. Journal subscriptions & ran from 1975-2003 with only minor edits.” | learn more

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Covid-19 superspreading events database

“Superspreading Events (SSEs) are events where multiple people —a minimum of 5, for example — get infected with the novel coronavirus.” Highlight: 220 people in Germany sick after, “4-hour-event. Live music, ritualized kissing.” This is a database of information about […]

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Software finally solving for colorblind users

Coworkers generally find out I’m colorblind the first time they put a color-coded spreadsheet or graph in front me. Right after that, we play the “what color is this?” game until I lose enough times to prove I’m colorblind. The […]

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The new banking reserve requirement: 0%

This happened a few months ago and it slipped right past me. Simplified explanation… There’s a “reserve ratio” that governs how much capital a bank must keep in reserve when it lends money. It was 10%, meaning $100 of capital […]

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$30 million in cash for a domain name

Last year a blockchain company paid $30 million in cash for Voice.com. This is the most ever paid for a domain, by a lot. Sex.com is in second place at $13 million. | learn more

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The ancient Greek story of Phryne

“We don’t know for certain what exactly she was charged with or what she did to be charged… Whatever it was, the important fact is that if she was found guilty, Phryne would be executed. She was defended by one […]

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How to get to China

It’s neither cheap nor easy to get to China today. One-way total cost in economy class: $6300, including a 14-day mandatory quarantine in a designated hotel. Click-thru for details and photos of one person’s journey. | learn more