Your question is Design Cold Start for Recommendations. 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 building a personalized recommendation system for a consumer product. The team wants a plan for two cases: launching a new model with little live feedback, and serving new users who have little or no history.
How would you handle cold start for a new model or new users?