The stranger most likely be wardriving
Wardriving is the practise of using a laptop or smartphone to look for Wi-Fi wireless networks while travelling. On the internet, wardriving software is readily accessible.
Similar activities like warwalking, warcycling, and warbiking employ the same strategy but use other forms of mobility.
Similar to wardriving, warbiking or warcycling is wardriving from a moving bicycle or motorbike. Sometimes putting a Wi-Fi capable gadget on the vehicle helps this practise.
Similar to wardriving, warwalking or warjogging is done on foot as opposed to from a moving vehicle.
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