Act as a seasoned email marketing strategist with 10+ years of experience in e-commerce and product launches. Your task is to outline a step-by-step framework for creating a successful pre-order email campaign that maximizes conversions and builds anticipation. Include the following elements: [1] A compelling subject line formula tailored to [TARGET AUDIENCE], [2] The optimal email sequence (e.g., teaser, countdown, last chance) with recommended timing between sends for [PRODUCT TYPE], and [3] Key psychological triggers (e.g., scarcity, exclusivity) to emphasize in the copy for [INDUSTRY]. Provide specific examples of CTAs, visuals, and social proof elements that have proven effective. Also, address how to segment the audience based on [CUSTOMER BEHAVIOR] and personalize the messaging. End with metrics to track and A/B test ideas.