Another example of creative representation of information

Harry Beck showed a radically different approach in making map for London's railway network. He realized that geographically correct map was almost useless for travelers. So he created a topological map preserving "relative" position of different train stops rather than actual scaled distance. This was the paradigm shift in creating route maps and ever since Beck's revolutionary idea, almost all railway and bus route maps are made preserving topology rather than scale.

Map to scale:

Beck's idea: