| I found the key useful | | | | | |
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| I learned to use the key quickly | | | | | |
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| I understood how the key worked | | | | | |
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| I found the key easy to use | | | | | |
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| I was satisfied with using the key | | | | | |
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| I would recommend this key to others | | | | | |
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| I prefer this key to a traditional paper key | | | | | |
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| I prefer this key to other online keys | | | | | |
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