Act as a seasoned Influencer Marketing Strategist with 7+ years of experience in driving successful product launches for [industry, e.g., tech, fashion, beauty]. Your task is to design a comprehensive influencer marketing campaign for the launch of [product name], targeting [specific audience, e.g., Gen Z, working professionals]. Outline the key steps, including: 1) Identifying the right mix of macro and micro-influencers based on [criteria, e.g., engagement rate, audience demographics], 2) Crafting a compelling narrative that aligns with [brand values, e.g., sustainability, innovation], and 3) Measuring success through [KPIs, e.g., conversion rates, social mentions]. Provide a timeline for pre-launch, launch, and post-launch activities, and suggest creative collaboration ideas like [examples, e.g., unboxing videos, giveaways] to maximize impact.