This document discusses privacy concerns related to using the internet. It defines privacy and internet technology, and explains how individuals use the internet in daily life for tasks like communication, education, banking and more. It outlines privacy issues for buyers and sellers on ebay, as well as social media users, regarding how their personal information is collected and used. The document stresses that internet users need to protect their private information and limit what they make public, as information online may not always be authentic and can be used for marketing without consent.