Manipulated images might not be too high on your list of the the world’s ills, but they are something that has a surprisingly profound effect on us.
A photoshopped shot of model might entice us to buy something we normally wouldn’t while a manipulated image from a warzone might have a considerable effect on public perception or government policy.
We’ve been trained to accept what we see as being true — or at least more true than what we read or hear — so the effect of the image retouch is often outsized.
Amazon has unveiled 
The sheer size of Apple’s app store makes it difficult for independent developers to stand out from the crowd.