[{'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: (c) Provide Interesting Offerings to You: As part of value added services provided by us or by a third party within Viber, we may use your information to continuously optimize and personalize those services and send you personal messages about new offerings which we believe you will find relevant (as long as you agreed on Viber or elsewhere to receive information from that service)."}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]