1. A computer implemented method for rating virtual world artifacts, the computer implemented method comprising the steps of: responsive to a computer detecting an event caused by an avatar accessing a virtual world artifact in a virtual world, receiving, by the computer, information about the event; generating, by the computer, a rating score value for the virtual world artifact based on the information received about the event; increasing, by the computer, the generated rating score value based on a number of times the virtual world artifact is accessed by the avatar within a predetermined period of time; and updating, by the computer, a rendering of the virtual world artifact in the virtual world based on the generated rating score value by increasing a size of the virtual world artifact in relation to other artifacts present in a display of the virtual world if the generated rating score value is a high rating score value and decreasing the size of the virtual world artifact in relation to the other artifacts present in the display if the generated rating score value is a low rating score value.