QR Codes
You probably have seen a QR code in your envirıonment. They are actually code form of something it is already on a database or internet. When you scan it you come across the content which is presented in that QR. They are used in everywhere in the modern world. Teachers can use it to serve their activities or other contents and it can be useful for engagement of learners. They are some sort of mysterious because learners don't know what could come out of it. You can see my QR code below. Scan it, then see what it is:)
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