My personal favorite are Gregory Crewdson's in-home natural disaster photographs. The contrast of nature and artificial comfort is astounding, making a profound point that is sure to hit home like a hurricane. Check out Gregory Crewdson's work in the gallery.
Implications - There will always be a consumer demand for morbid and shocking imagery as it wakes them from their apathy of the mundane. Corporations looking to arrest consumer attention may consider utilizing shocking visuals in their advertising campaigns.