Charles Darwin is highlighted as someone who taught about media planning through demonstrating how humans have evolved over millions of years from early humans like Homo Erectus to modern humans, and that this evolution led to the development of media agencies to help clients navigate an increasingly complex media landscape. The document also notes how social media platforms like Twitter have grown exponentially faster than human evolution, from zero to 200 million members in just 4 years, and that it is difficult to predict future trends in media consumption.