The document discusses Facebook addiction, which refers to excessive and compulsive Facebook use that leads to negative personal outcomes. While excessive use is not necessarily addictive, studies have focused on Facebook addiction given its popularity. Facebook addiction is characterized by preoccupation, progression of use, perceived loss of control, persistence despite negative consequences, and overuse in various areas like checking, reporting, commenting, and concern for one's image. Factors that may contribute to addiction include fear of missing out, compensating for shyness, and relying on it for social validation. The document outlines signs of addiction and provides recommendations for admitting addiction, reducing use, finding real-life alternatives, and seeking therapy.