This document discusses digital footprints and how personal data is left online through active sharing and passive tracking. It explores how digital footprints can impact university admissions, employment opportunities, and relationships. Employers and admissions officers often review an individual's online profiles and activities to evaluate character and fit. The document emphasizes managing digital footprints by monitoring online reputations, being aware of what information is publicly visible, and periodically reviewing and cleaning online profiles and content. Maintaining a positive digital footprint is important as digital traces may have long-term effects that are hard to predict.