See how they work with this video by Commoncraft. Afterwards, you can read its trascription.
As you can see, social networks may have some advantages. However, not everyone loves them:
If you want to read the captions for this video, visit LangoLab
Remember, dear students, your writing on social networks have to be handed in soon.
You may write about their advantages and disadvantes or you may write about your own experience using them (I know most of you have an account on Twenti)