Patent ID: 8522160

Claim:
An information processing device comprising: a screen control unit that causes a user terminal to display a position selection screen including a plurality of user positions where a user can be located in a virtual space and that allows a user to select one user position from the plurality of user positions; a data storage unit that stores a user list of users that have selected user positions with respect to the plurality of user positions selected by the users using the position selection screen; and a contents processing unit that processes contents to be delivered to the user terminal according to a positional relationship between users represented by the user list stored in the data storage unit, the contents including a main video corresponding to the selected user position and a user video provided by another user terminal, wherein the contents processing unit synthesizes the main video and the user video, the size of the user video being changed based on the positional relationship between the user of the user terminal and the user of the other user terminal.