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In 1938, László Bíró noticed newspaper ink dried instantly while his fountain pen smudged, and this led to the creation of the modern ballpoint pen |

László Bíró was frustrated by smudged notes. Image credit – Wikimedia In the late 1930s, a Hungarian journalist, László Bíró, found himself facing the same problem every day. His fountain pen left smudges on paper, whereas the ink used for newspaper production dried quickly and did not smear. A simple comparison posed an obvious question….

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In the 1890s, William Wrigley Jr. accidentally turned a free gum giveaway into a billion-dollar empire |

William Wrigley Jr. began selling soap in Chicago with free baking soda samples. Customers preferred the gum he later included. Wrigley shifted focus to gum, creating iconic brands like Juicy Fruit and Spearmint. Image Credits: via Wikimedia Commons Think of walking into a shop to purchase something as straightforward as a canister of baking soda…

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