Personally Identifiable Information: This refers to information that let us know the specifics of who you are. When you engage in certain activities in the Website or Services, such as registering a user account, downloading and installing Application(s), playing Game(s), purchasing Virtual Money or Virtual Goods, sending and/or posting a user Content, or sending us feedback, we may ask you to provide certain information about yourself. It is completely optional for you to engage in these activities. If you elect to engage in these activities, however, we may ask that you provide us personal information. Such information may include your first and last name, mailing address, e-mail address, telephone number, credit card or other payment information.