Explore key research findings and technological innovations from the past two decades that have led to widespread data collection practices in this 29-minute conference talk from Security BSides San Francisco. Examine the distinction between tangible (e.g., PII) and non-tangible data, and discover how seemingly harmless information can be used to derive behavior through real-world examples. Investigate how privacy perspectives can vary depending on one's role or background, and consider a proposed perspective shift necessary for maintaining digital privacy in today's interconnected world.