The Butterfly effect

The butterfly effect is a concept of chaos that points out that a small effect can trigger a chain reaction that can lead to a much bigger effect. The main example of the concept is that it could be possible for a butterfly to flap it's wings, the air flow away from his wing tips could cause a chain reaction that goes around then planet and eventually turns into a hurricane. 

I can think of unlimited examples myself. I could ask a person what time it is? My face reminds them of their boss at work, this causes them to call their boss to ask for overtime, the voicemail on their manager's phone is music. The music reminds them of a hang gliding. They decide to try the hobby again on the weekend but accidentally hit some power lines, they're fine but the power supply for the town is cut off for one day. The loss of power causes a pilot to miss his flight. The pilot was due to make a grave mistake that day and crash a plane but the flight never occurred. In this scenario, by asking for the time I cut of the power to the whole town and also save the lives of 550 people. If I didn't ask a stranger for the time, the power wouldn't be cut off and a airplane is crashed because of pilot error. All those events hinge on a small thing. That is just one example.