This paper deals with legislation and case law regulating social media in the workplace. It analyses mainly outcomes of the famous Barbulescu judgment on privacy's limits for selection procedures, working time and dismissals in four Central and Eastern European states, such as the Czech Republic, Poland, Rumania, or Slovakia.
Although the ECHR upheld the general principle that an employees' first and last task is to render services on behalf of his/her employer and do not misuse employer's devices to private purposes courts' decision varies. Alike action is considered in one state to be legal, in another illegal.