Unit 3 – Task – Topic 2


2. What other interesting examples of codes from history or the modern-day (digital or non-digital) can you find to inspire or support a lesson about encoding and decoding messages?

I find that one of the most common ways people leave their information is through search or visit history. Search service providers such as Google will save those histories, process data to know user trends such as interests, habits, needs,… Then they will cooperate with units and companies that need to advertise their products, then Google will find potential customers with needs or interests related to the product to be advertised, then ads will appear. during the user’s use of the internet.

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