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How to get started in standup comedy
Jot down joke ideas in a notebook.
Take notes as funny thoughts come to you, or write down strange occurrences that strike your funny bone. At this point, you don't need to be writing full-fledged jokes; just write down situations, lines, or personal anecdotes from your past that seem funny and could be used as material for jokes in the future.
If you don't want to carry a notepad around, many smartphones have a notepad app built in. Organize one or two funny ideas into a joke.