Every day, without even thinking about it, we share pieces of ourselves with the internet. We check our bank balances, send messages to loved ones, shop online, book tickets, attend video meetings, scroll through social feeds, and search for answers to our most personal questions. Each of these actions leaves a small digital trail. Over time, these trails form a detailed picture of who we are, where we go, what we like, and even what we worry about. In a world where so much o