Objects which are created in conformity with the data format of objects to be handled in a virtual world are offered to users on the terminal computers of the users independently of the virtual world. This differential signal includes two signal lines. Also disclosed is a method for cutting a web which comprises the steps of partially cutting the web so as to form first cuts in the web while web is nipped; and cutting the web between the first cuts of the web while the web is nipped. The method includes collecting the physical pages having same degrees of use frequencies in the same memory bank, selecting the memory bank, the power supply for which is controlled, on the basis of the use frequency, and controlling the power supply for the memory bank selected. A spring hardness of the second spring element is increased by a permanent pretensioning of the second spring element, as a result of which the flexibility of the shaft body is reduced in the second portion. In other words, the image-sensing unit is received in the receiving space formed by using the first conductive protruding bodies to support the substrate unit up relative to the main PCB, so that the whole thickness of the image-sensing chip package module can be reduced.