What three primary areas constituted Edison's first major cultural and societal footprint?
Answer
How we invent, how we entertain, and how we structure our days and cities.
Edison's initial transformative impact is summarized as the tripartite transformation involving the industrial lab (how we invent), the phonograph (how we entertain), and the electrical system (how we structure our days and cities).

Related Questions
What radical shift did Edison implement regarding the process of invention?In what year was the phonograph introduced?What early commercial success provided Edison with the capital to fund his Menlo Park experiments?What immediate societal change resulted from affordable electric illumination?What specific material did Edison's team eventually settle on for the light bulb filament?What became the enduring legacy model derived from Edison's organized research environment?How did the initial demonstration of the phonograph physically capture sound?What aspect of gas lighting did electric light substantially improve in terms of safety and environment?According to the text, what crucial realization underpinned the success of Edison's inventions like the light bulb?What three primary areas constituted Edison's first major cultural and societal footprint?