Fun fact: After the adoption of electric lighting in homes became common, there was a massive increase in the demand for maids and cleaning services because people simply couldn't see just how dirty their houses were when everybody was using candles.

Another fun fact: With the introduction of the computer and similar technology into many jobs, productivity skyrocketed, but wages didn't rise to match the increase in company profits. However, it was still viable for the average American household to live off of the wages of one 40 hour per week job. Today, the average American household requires at least 2 full-time salaries in order to survive, despite technology continuing to push productivity even higher and companies continuously reporting their most profitable year ever, year over year. Despite technology, the amount of work per household has effectively doubled or more over the past 60 years.