The theory of interaction with user aims to understand the user needs аnd to develop an interface that optimizes the users work. But some developers use this knowledge to design interfaces that make people inadvertently agree to share more data than they intend, or spend more money than planned, by using various psychological motives and outright deception. These approaches in interface development are defined as dark patterns. They are found in websites, social media platforms, mobile applications and games. The theme remains relevant regardless of the EU's GDPR. The purpose of the report is to identify and detect commonly used dark patterns. The main dark patterns groups and the problems they cause are studied
