[{'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: Uses of Information Camfrog's primary goal in collecting personal information is to provide you, the user, with a customized experience on Camfrog and through our partners. This includes personalization services, interactive communications, and many other types of services, most of which are completely free to you. In order to provide services free of charge, we display advertisements and encourage your participation. By knowing a little about you, Camfrog is able to deliver more relevant advertisements and content, and hence better service, to you."}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]