Identify the unfair aspect with respect to the sentence extracted from an online Terms of Service:
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crowdtangle and its licensors retain title to and ownership of all rights ( including copyright , trade-mark , patent , trade secret and all other intellectual property rights ) in and to the services and crowdtangle 's content . 

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. OPTIONS: ["Choice of law", "None", "Jurisdiction", "Contract by using", "Content removal", "Unilateral termination", "Limitation of liability", "Arbitration", "Unilateral change"].