Your question is Find the Main Growth Lever. Take a moment with it on the right.
Talk me through your thinking if you like. When you're confident, submit your answer and I'll grade it like a real screen (7/10 or better passes).
You are advising a product team whose users already share the product heavily on their own. Growth is coming from organic sharing, but leadership is unsure whether the next step should be improving conversion from shared traffic, increasing share frequency, or expanding the product surface that gets shared.
How would you think about the biggest growth lever for a product with strong organic sharing?