Hello bailanxin,
I agree that we could get some untold truth on social median. Some news is hidden and not allowed to publish sometimes got shared by some informed persons on the social median. The public has the right to know something and pay more attention to it, like the indigenous people. Moreover, I also really use Khan academy a lot for my math and statistics courses. The courses there are closely linked and well-explained.
Hello Ali,
I agree that we are able to get first-hand information from the Internet. This information may not be available to us from anywhere else. Using social media to stay connected is how we can gain more information and knowledge. In the meanwhile, it is also important to determine information that is useful to us and filters out information that is bad for us.