Jim Sterne writes that marketers can avoid a lot of problems by enticing consumers to turn over data voluntarily in incremental steps:
Simply put, it is up to you to convince people to hand over the keys to their personal data set. No one expects you to convince everybody to hand over all of their data. At least, not all at once. It would be foolish to even try.
Instead, ask them to a provide little at a time…just like in real life:
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