There are many ways that humans can leave traces of information using technology. As mentioned in this unit, images is one way that information can be traced. Other ways include writing emails, sending text messages, making phone calls, developing usernames, and writing posts and liking/commenting on posts on social media. Through these, information can be traced about the date/time that it occurred, or even where the device used is located.
One way to support lessons about encoding and decoding would be to teach children a shifted alphabet code. See the following website for more information on this code: https://www.theproblemsite.com/reference/mathematics/codes/shifted-alphabet-code
The following resource will be useful for primary students when learning about information sharing/safe communication. This resource is a slideshow that contains a variety of scenarios that encourages students to think about how they would act in a particular situation online. One of the scenarios in particular focuses on a kid talking to a stranger online, where they are asked personal questions. It encourages students to think about what they would do in that situation. Once they have thought about their answer, they will receive the correct answer as to how those situations should be responded to appropriately.
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