They were referencing this: http://mandelaeffect.com/ http://mandelaeffect.com/ >The Mandela Effect is about people’s alternate memories. We recall events and

They were referencing this: http://mandelaeffect.com/ http://mandelaeffect.com/ >The Mandela Effect is about people’s alternate memories. We recall events and history that seem not to have happened in this reality. Different from 'not remembering correctly' in that large amounts of people share the same "wrong memory". Such as where New Zealand is located, when Mandela died, the spelling of Berenstein Bears.