It's been done already, it makes you wonder how widespread it is. Just posting a photo out of context can completely change the reality of a situation, it doesn't even need to be "doctored".
Some researchers are worried that digitally altered photos could alter our perceptions and memories of public events.
To test what effect doctored photos might have, researchers from the University of California, Irvine, and the University of Padua in Italy showed 299 people aged 19 to 84 either an actual photo or an altered photo of two historical events, the 1989 Tiananmen Square protest in Beijing and the 2003 anti-war protest in Rome.
The original Tiananmen Square image was altered to show a crowd watching at the sidelines as a lone man stands in front of a row of tanks. The Rome anti-war protest photograph was altered to show riot police and a menacing, masked protester among the crowd of demonstrators.
When answering questions about the events, the participants had differing recollections of what happened. Those who viewed the altered images of the Rome protest recalled the demonstration as violent and negative and recollected more physical confrontation and property damage than actually occurred.
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