What did they invent?

What is the greatest invention of the year?
What do you think an inventor’s life is like?	in my opinion it’s a cool.
What is the world’s most dangerous invention?	Nuclear weapons, war, Global Threat, Radiation.
What is the coolest invention ever?	Sport, Internet, Smartphones, Electricity, Airplanes, Cars, Space Travel.
Have you ever thought about inventing anything?

to be honest no.