[{'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: IP Addresses are a unique string of numbers that identifies each computer attached to the Internet. We use IP Addresses to analyze trends, administer our websites, track users' location, and gather broad demographic information for aggregate use. We may connect information about your IP Address to known corporate information and use associated information related to aggregate content preferences to assist in our efforts to market business-to-business services to the originating corporation or corporations. IP Addresses that we collect are sometimes linked to personally identifiable information. We use registration and email addresses that you provide together with IP Addresses and other information that we collect as described in this Privacy Policy. By combining the information, we are better able to understand our users and to better market services and products to our users."}, {'role': 'assistant', 'content': 'This clause is unfair. The privacy practices mentioned are: Identifier_IP_Address_1stParty.'}]