First, it was an image of the Pope. Shortly followed by a photo of former US President Donald Trump physically resisting arrest by half a dozen police officers. Two examples of images that went viral around the world of events that never happened. Sanjana Hattotuwa is one of New Zealand's leading experts on disinformation online and is part of the Disinformation Project research group. He and his colleagues are increasingly concerned about the lack of checks and balances around this ever-evolving technology that allows millions of people around the world free and open access to tools that can create hyper-realistic images from a few lines of text.