Chart concept: size does not matter, numbers do

This ad uses a concept that can easily be replicated in presentation slides. Find a silhouette of let's say a shark, and fill it with small gold fish shapes and you're done.
I used something like this once to show how small individual components of an information security architecture can create a formidable defense against cyber crime if they coordinate their activities well.
A larger image can be found on Ads of the World.