When Facebook was created, Zuckerberg and his team didn’t just build a social network—they built one of the most powerful marketing tools in history, rivaled only by Google. On Facebook, users willingly share vast amounts of information about themselves, from basic demographics like age, gender, and location, to deeply personal details such as hobbies, interests, dining habits, and even income levels. This ebook reveals how to harness that data to create precise, high-converting retargeting campaigns that turn potential leads into loyal customers.