This presentation, authored by James L. Tanner, provides a comprehensive analysis of Ancestry.com’s 2025 strategic shift toward "profound precision" in genetic genealogy through advancements in DNA science, professional-grade research tools, and archival expansion. It highlights major updates such as hyper-local ancestral regions, AI-driven family line extensions, and the "Pro Tools" suite designed to help expert researchers validate data and solve complex genealogical puzzles. Ultimately, the analysis illustrates how Ancestry integrates these pillars to transform a massive repository of data into a more accurate and actionable ecosystem for discovery.