Identify the unfair aspect with respect to the sentence extracted from an online Terms of Service:
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as part of your use of the fitbit service , you may receive notifications , text messages , alerts , emails , and other electronic communications . 

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