How to Spot a Fake Twitter Post: Check the account history of the source. Two red flags are: the number of posts and how long the account has been active. If it claims to be a well know source (like CNN or CBS) and only has a few posts in its history that is a clue.
Reverse Image Lookup - found an image that is too good to be true? Use these tools to check for digital alterations.
Tips to help you tell if a video is fake:
Thank you to Ann Grandmaison and Susan Leonardi, Librarians at Northern Essex Community College for sharing their Fake vs Real Guide.