This article may be what you need.
http://en.wikipedia.org/wiki/Truth_claim_(photography)
What is meaning of "truth" in terms of the photographer's art?
2 answers
List and describe three formats related to digital technology and the internet through which ad can be presented to the public. Give an example of an ad that you can find in each format and explain why you consider this ad to be well designed and effective – or why you do not think so.