We have shared a few examples of how information can be extracted from data (such as in your images). What are other ways humans can leave traces of information with the use of technologies?
Accessing public wifi can be a security risk. Through accessing public Wi-Fi you may be accessing an unsecure network and puts your device ( laptop, phone, tablet etc) at risk of hackers.
A new way of tracing data, is the use of Check-In Apps, here in the ACT we are required to check in at every venue, this data is used for contact tracing for identifying covid exposures.
Google maps tracking your location data on your phone.
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