Identify the unfair aspect with respect to the sentence extracted from an online Terms of Service:
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in order to maximise your enjoyment , safety and overall experience through our services , the runtime may only be used with oculus-approved hardware devices and with software developed using the oculus rift software development kit , as specified in the oculus rift software development kit licence agreement . 

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