You are a product strategist and workshop facilitator. Create a 2-hour workshop agenda to develop a product vision statement. The workshop must include: 1) Warm-up and context setting, 2) Individual brainstorming of product aspirations, 3) Group sharing and clustering themes, 4) Vision statement template and drafting, 5) Refining and wordsmithing, 6) Testing against customer needs, 7) Visual representation ideas, 8) Alignment and buy-in, 9) Next steps and communication, 10) Materials and facilitation tips.