Sources. Independent studies unless marked company-reported: GitHub Copilot randomized controlled trial - Peng, Kalliamvakou, Cihon & Demirer, 2023 (software engineering, 55.8% faster task completion). "Generative AI at Work" - Brynjolfsson, Li & Raymond, NBER Working Paper 31161 / The Quarterly Journal of Economics (customer support, 5,179 agents, +14% issues resolved per hour, +34% for novices). "Navigating the Jagged Technological Frontier" - Dell'Acqua et al., Harvard Business School Working Paper 24-013 (758 consultants, +12.2% tasks completed, 25.1% faster). Noy & Zhang, Science, July 2023 (professional writing tasks, 40% less time, +18% quality). Klarna press release, February 2024 - company-reported (two-thirds of support chats, resolution 11 min to 2 min).