What to do when we find the source of misinformation?

What to do when we find the source of misinformation? In such cases, the user frequently shares the material on his Facebook page and warns: “Friends, this is a lie, do not believe it”. The man seems to have done a favor and shared, but eight out of ten of his friends do not read his comment, they only read the title and share it. So, it turns out that you do a great job for that website and advertise disinformation posting it on Facebook.
What can we do in such cases? Find the answers in the program “Medialiteracy” with the media expert Samvel Martirosyan.