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Highlighters are useful tools: you can use them to mark dates on a calendar, parts of the relevant text in a book or any other use where you need highlight something on paper. Thy influenced our lives so much that we can even find them in some computer programs. Read more about history of highlighters.
Fountain pens replaced standard metal pens because they were easier to use and were less messy. After years of improvements (and after appearance of ballpoint pens which are even easier to use) they became a sort of status symbol. Read more about history of fountain pen.
Dip pens were one of the first mass-produced writing tools. They replaced quills and although an old invention they are still in use but more for drawing than for writing. Read more about history of dip pen.
When schools and classrooms started to grow, in 19th century, a problem appeared: how to transfer lectured information to a greater number of students. Solution was at first in a blackboard and chalk and later in whiteboard and whiteboard pen. Read more about history of blackboard chalk and whiteboard pen.