[{'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: Assignment. Customer may not assign or transfer this Agreement or any rights or obligations under this Agreement without the written consent of Dropbox. Dropbox may not assign this Agreement without providing notice to Customer, except Dropbox may assign this Agreement or any rights or obligations under this Agreement to an Affiliate or in connection with a merger, acquisition, corporate reorganization, or sale of all or substantially all of its assets without providing notice. Any other attempt to transfer or assign is void."}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]