Last week I posed the question: What is the most influential change that has happened to society in your lifetime? I said I would post my answer this week and here it is. The Pill!
With the invention of the pill, women at last were able to control their pregnancy situation. Until then they were always at risk and therefore unable to compete with men with the stability that was needed in the workplace. Within a decade they could be recruited to fill positions that beforehand they were barred from, due to the chance they could get married and pregnant and leave.
Within two decades, which is a very short time in the history of mankind, they were able to add their abilities to the development of society - a 50% increase in productivity. Life has never been the same.