- There are five main types of pens: ballpoint, fountain, rollerball, soft-tip, and specialty pens
- More than 2 billion pens are made in the US annually
- The first ballpoint pen was invented in 1938 by a Hungarian journalist named Laszio Biro
- The word "Pen" comes from the Latin word pinna
- A pen can write about 45,000 words
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