This topic explains the kind of privacy we can realistically expect when using the internet. It's very useful because not everyone has this level of knowledge. For example, when we use social media platforms like Facebook or Instagram, many people don't question why these are free platforms. This post explains how benefits the company benefits from the data we share with the social media platform, which includes our preferences, our location, analytical data, and more. They collect metadata and then utilize it for marketing or sell that information to other companies.