I need help with organizing a surprise birthday party for my friend. Can you provide some tips on how to plan it effectively? Your response should contain at least 3 placeholders represented by square brackets, such as [location], [date], and [guest list]. Also, highlight at least 2 sections in your answer with markdown, i.e., *highlighted section*. Finally, there should be 3 paragraphs. Paragraphs are separated with the markdown divider: ***
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