unit 3 sunmeng

With the advancement of science and technology, the rapid development of the mobile Internet, and the advent of the era of cloud computing big data, social networks are booming. More and more people are willing to share their experiences and feelings in this interactive era, and we use computers and mobile phones. Every operation performed by electronic devices on the Internet is recorded by the server, and personal information in social networks has also become a major focus of business games in the era of big data. Social network is like a double-edged sword. The benefits it gives to our society and individuals are immeasurable, but at the same time it brings about personal information security and privacy protection issues, which are also issues that society should pay attention to.
For example, when we browse the things we want to buy on an app, when you open the app again, similar items will be pushed out, which invisibly exposes our privacy.
Therefore, as teachers, we should always remind children to protect the privacy of themselves and their families, and at the same time start from ourselves to protect the privacy of children.

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