This document discusses the history and culture of innovation at 3M. It describes how 3M was founded in 1902 and now employs over 76,000 people producing over 55,000 products. It highlights how 3M employees Richard Drew and Arthur Fry invented masking tape and Post-it notes by pursuing ideas outside their normal roles. The document also discusses how 3M's culture of encouraging employee initiative and allowing 15% of time for personal projects has led to many innovations, though some leaders have tried to increase efficiency at the cost of innovation.