How did Big Tech gain such power over our data, and how do we take it back?

The relationship between society and the internet has become so intertwined that most of us cannot imagine life without it. We use it to navigate our roads, buy our groceries, stay in touch with friends, and now even work our full-time jobs. Despite the vast diversity of uses and our dependence on it, a small handful of companies collect a staggering share of the profits, and individual people are often left without agency.