In this experiment, we will test a few things related to the use and performance of Information system in general and in search engines in particular. We thank you for taking part in our experiments and hope you will enjoy the process! You will be selected to one of our experiments automatically. If you are in the lab, we will elect you one member of the Rivendell team to assist you in the process. If you entering this page from home, please contact us before taking part in this experiment. To continue with the experiments just click on the link below.