The meaning is as follows:

A netizen is someone you chat with online and may never meet. You first met in a chat room, and finally found that you have a lot in common. You can send him a message anywhere, as long as you are online. Netizens are generally in other cities and even other countries. Making friends with netizens gives us a chance to meet others.

Although netizens can bring you some happiness, it is also important to be vigilant. Because when we meet a netizen, we can't judge whether what he said is true or not. Don't disclose your personal information, it's dangerous. Think twice before giving your net friend's phone number and home address.

Making friends online is interesting, but it is also important to keep friends in reality. Maybe you have many netizens, but they can't replace your real friends. A good friend will know your needs when you need them. You can spend time with them and share your feelings.

I hope I can help you!