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Re:People reluctant to use their Octopus cards for fear of l... by just_observing on Friday June 14, 2019 @06:44AM (#20181897)
Do they have their mobile devices with them? Electronic trail.

Did they appear in any photos? There's a trail.

Did they buy anything in that locality?

Did they call someone in that locality?

Just not using a card would seem to offer little protection unless they take care of at least the above.

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