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Woman: Who would need to have a robot follow you around? I can certainly carry my own basket.

Man: Robovie is not for you. It is developed to provide living support for the elderly. Perhaps you will want one when you are 60!

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  • This looks like editing to me.
    – Lambie
    Mar 29, 2018 at 23:22
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    Is there a question here?
    – Barmar
    Mar 29, 2018 at 23:58
  • More context is needed before this can be answerable. But then it would still lack research, and probably be unsuitable here for other reasons. Mar 30, 2018 at 0:05

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The use of would in your sentence is related to how we build conditional sentences (we can add a few words to make it a conditional sentence of the second type (unreal present): Who would need to have a robot follow you around even if it were more affordable? So, would shows that what we are discussing is actually unreal, hypothetical.

Will in Perhaps you will want one when you are 60 is used to make a prediction about the future.

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