In 2004, when Keira Knightley starred in "King Arthur," one of the movie's promotional posters showed her aiming a bow and arrow. The poster was also massively Photoshopped to make her breasts appear at least twice as large. 10 years later, in November 2014, Knightley appeared topless in a photo shoot with Interview Magazine — on the condition that the photographers not digitally edit her breasts or stomach at all. Now she's speaking out about the harm that photo manipulation can cause. We can all learn something from her two cents.