[{'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: Also: This Privacy Policy doesn't govern what our users do on their Tumblr blogs and we aren't responsible for the information collection and use practices of our individual blogs and bloggers. One of the great features of Tumblr's products is customizability, and bloggers have a lot of flexibility in how their blogs behave. When you visit a blog in our network, that blog may collect more information than we do, and may provide information to third parties that we have no relationship with, including to advertisers."}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]