[{'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: Some of our product offerings are required to collect additional information in order to deliver full product functionality, such as information about websites that you have visited and files on your computers. In general, we collect no more information than is required in order to provide full functionality of these products. Specific products, and the types of information that they collect when you use them, are as follows: Avast Free Antivirus, Avast Pro Antivirus, Avast Internet Security, Avast Free Mac Security, Avast Pro Antivirus for Mac, Avast Endpoint Protection, Avast Endpoint Protection Suite, Avast Endpoint Protection Plus, and Avast Endpoint Protection Suite Plus include the following features or collect the following types of information: (1) Avast CommunityIQ: Avast CommunityIQ is a community-based service that provides Avast security experts with data taken from the actual web browsing experiences of Avast product users. Participation is voluntary. Data acquired by Avast CommunityIQ is used to update our databases of viruses and infected websites, and for other statistical purposes, and may include:"}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]