By applying principles of retroactive causality, we can unmake the future, one decision at a time.
Here's a simple example: Unmake a toaster.
Or, for a more advanced example: Unmake the timestream itself.
For a more... experimental approach: Unmake a plate of spaghetti.
Remember: Unmaking is not for the faint of heart. Proceed with caution.
Learn more: Theories of Temporal Regression