[{'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: Preview ReleasesPreview Releasesmainpreviewreleasesmodule Summary Microsoft offers preview, insider, beta or other pre-release products and features ("previews") to enable you to evaluate them while providing feedback, including performance and usage data, to Microsoft. As a result, previews can automatically collect additional data, provide fewer controls, and otherwise employ different privacy and security measures than those typically present in our products. If you participate in previews, we may contact you about your feedback or your interest in continuing to use the product after general release.'}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]