PATENT PENDING INSANITY

The highlighter was invented for people who want to be loud on paper.

✗ FAKE
The highlighter pen was invented in the 20th century, with the Hi-Liter introduced by Carter's Ink Company in 1963. It was designed to mark text for review, not to be loud.

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The credit card was first introduced in the 1950s. And debt hasn’t been the same since.The map was invented because “vibes-based navigation” kept ending in tragedy.The pill was invented to make medicine portable and suffering more convenient.The safety elevator was invented by Elisha Otis in 1852. Skyscrapers’ best friend.Paper was invented in China around 105 AD by Cai Lun. The world’s first blank canvas for ideas—and bureaucracy.Leonardo da Vinci sketched designs for a helicopter and tank centuries before their invention. The original “ideas guy.”See all Patent Pending Insanity facts →

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