Act as a seasoned e-commerce strategist with 10+ years of experience in digital retail. Craft a detailed analysis on why mobile optimization is critical for e-commerce success today. Highlight key statistics, user behavior trends, and technical best practices. Include real-world examples of [BRAND_NAME] that succeeded or failed due to their mobile strategy. Discuss how [INDUSTRY_TREND], such as voice search or progressive web apps, impacts mobile shopping. Finally, provide actionable recommendations for [BUSINESS_SIZE] to improve their mobile experience, covering design, speed, and checkout flow. Keep the tone professional yet engaging, targeting C-level executives and marketing teams.