If you want to look up the detailed informaiton about contacts, you no longer need to leave for another page! You only need to click on the pull-down menu on the Contact which is on the left of the window. Click on the object you want to know more information about (the object can possibly be a company or a person), click on the blue "i" icon on the right top of Contact window, and the detailed information of the contact will pop up for you to read.