You may well have seen one of these images yourself. Some have racked up millions of views as they go viral on social media. One of the most-viewed photos shows a fan in the stadium wearing a Germany jersey, waving a German flag, and bearing a striking resemblance to Adolf Hitler , a fake that DW's Fact Check team debunked shortly after Germany's World Cup match against Curacao . Some of these images we spot as fake right away; others we might easily mistake for real. Either way, they're having