1. A system for use in assisting a user in social interaction with another person, the system is configured to determine whether the user recognizes the person and, if it is determined that the user does not recognize the person, provide information to the user about the person, while the system is configured to determining whether the user recognizes the person by determining the user's emotional state and / or by (i) playing an audio and / or video message and observing the user's reaction to the message, or (ii) using a speech recognition algorithm to analyze the user's and / or the person's speech during interactions 2. The system of claim. 1, wherein the system comprises one or more sensors for measuring the physiological characteristics of the user, and the system is configured to determine the emotional state of the user based on the measured physiological characteristics. The system of claim 1 or 2, wherein the system is configured to determine the user's emotional state by analyzing the user's speech during the interaction. The system of claim 1 or 2, wherein the system comprises: an image capturing means for capturing an image or a sequence of images of a person, a processor for applying a face recognition algorithm to the captured image to identify a person and to obtain information about the identified person； and a user interface for presenting information obtained about the identified person to the user, if it is determined that1. Система для использования при оказании помощи пользователю при социальном взаимодействии с другим человеком, причем система сконфигурирована с возможностью определения, узнает ли пользователь человека и, если определено, что пользователь не узнает человека, обеспечения информации пользователю о человеке,при этом система сконфигурирована с возможностью определения, узнает ли пользователь человека посредством определения эмоционального состояния пользователя и/или посредством (i) проигрывания аудио и/или видео сообщения и наблю
