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| How often do you ride bicycle per week? |
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| What is the main purpose of using bicycle? |
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| Where do you buy bicycle? |
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| If there is a device that can make a bicycle become an automatic indicator bicycle.(e.g. a turn light will indicate automatically before you turn left or right . Set the destination by using your smart phone and send the turning information to the micro controller to trigger the indicator light. ) Would you like to have a try or buy it? |
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| What do you think of this device?[Can choose more than one] |
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| How much would like to pay that device? |
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