The Chicken and the Egg

1.  the emancipation of women from their solely domestic role, including
     the inadvertent spawning of full-time fathers

2.  the widespread development of the Internet throughout the world

3.  the exploration of Space, including orbiting the Earth, landing a spaceship
     on the Moon, constructing an orbital space station, unmanned trips to Mars

4.  the invention of the microprocessor and its logical expressions: the home
     computer, smart phone, related technologies