Disclosed is to an electronic display board to enable a plurality of people to take cognizance of at least one displayable item of information available in digital form in places open to the public. The electronic board includes a box having a flat shape suitable for use as a display board, at least one information processing subassembly including at least one microprocessor, at least one memory able to store at least temporarily an application program, at least one memory able to store data connected with at least one digital content to be displayed, at least one display subassembly, and at least one electrical power source. Also disclosed is a system including at least one electronic display board and a method using at least one electronic display board.