Explore digital and mobile forensics techniques for linking users to social media usage on Android devices in this comprehensive conference talk from Louisville Infosec 2014. Delve into basic principles of mobile device collection, available solutions and tools, and the significance of app usage analysis. Learn about popular social networking apps and discover what data can be extracted, including user accounts, posts, connections, and activity timestamps. Examine specific forensic approaches for platforms like LinkedIn, Twitter, and Tumblr, uncovering valuable user information and evidence of app installation. Gain insights into future research directions in this field and enhance your understanding of mobile device forensics for social media investigations.