[{'role': 'user', 'content': 'Analyze the following clause from a privacy policy and determine if it\'s fair or unfair. Also identify any privacy practices mentioned: 333 Brannan Street San Francisco, CA 94107 copyright@dropbox.com Paid Accounts Billing. You can increase your storage space and add paid features to your account (turning your account into a "Paid Account"). We\'ll automatically bill you from the date you convert to a Paid Account and on each periodic renewal until cancellation. If you\'re on an annual plan, we\'ll send you a notice email reminding you that your plan is about to renew within a reasonable period of time prior to the renewal date. You\'re responsible for all applicable taxes, and we\'ll charge tax when required to do so. Some countries have mandatory local laws regarding your cancellation rights, and this paragraph doesn\'t override these laws.'}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]