To register, you</p> <ul> <li>must be 13 years or older to use this service</li> <li>must be a human. Accounts registered by "bots" or other automated methods are not permitted</li> <li>must provide a valid email address in order to complete the sign-up process and to access the site.</li> <li>are responsible to all content posted and activity that occurs under your account.</li> <li>may not use the service for any illegal or unauthorized purpose.