Most of us have heard of “the butterfly effect” at some point in our lives. Something that seems so small and insignificant can have a huge impact on the world at large.
There is even a movie that takes this concept to horrifying levels called (you guessed it!) The Butterfly Effect (2004), starring Ashton Kutcher.
For this writing prompt, why not see how this concept could fit into your life, or the life of a character you have been working on? How could you show the effects of insignificant changes? Would it be horror or science fiction?
You can make it a drama. How can a small lie spiral out of control, with unforeseen consequences? How could something that doesn’t seem like it would mean much become a huge deal over time?