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An app called App in the Air grew from 0 to 1,000,000 users. The document outlines lessons learned from the experience including that launch is just the beginning, retention matters more than initial buzz or downloads, and gatekeepers, team composition, industry, feedback loops, thinking big, and vision are important factors for long term growth. It provides data on the app's user growth and retention over time from launch to 1 million users.Read less