The document summarizes a presentation on self-tracking and the quantified self movement. It discusses how lifelogging can capture all aspects of life through various sensors and data sources. While this could help people live healthier lives through data insights, it also raises privacy, security and governance issues regarding who will have access to this sensitive personal data now and in the future. The presentation addresses these challenges and how regulations like GDPR aim to protect privacy, but that individuals also need to be proactive in understanding and controlling their own data.