Patent ID: 7415501

Claim:
A method for providing an electronic information service in a computer system connected to a network, the method comprising: creating a first information object comprising a partial area of a virtual pixel area into which a plurality of users can write information and from which the plurality of users can read information, said first information object including a position-coding pattern having sufficient resolution to define a track of a drawing device when the drawing device is moved over the position-coding pattern; transmitting the first information object via the network to a first user included in the plurality of the users; receiving a second information object from the first user including a modification of at least part of the partial area of the virtual pixel area, said second information object comprising position information obtained from the position-coding pattern; and updating the virtual pixel area utilizing the second information object, wherein the position information obtained from the position-coding pattern is used to provide a graphical image that is not in text format and which is created by moving the drawing device over the position-coding pattern.