A team can spend weeks debating a change that could be tested for a few days. It can also rush into a supposedly temporary choice that creates commitments nobody has priced. The useful distinction is not simply fast versus slow; it is how reversible the decision really is.
Amazon’s 2015 shareholder letter popularised a distinction between consequential, difficult-to-reverse decisions and more changeable ones. It is a management framework, not proof that every quick experiment is safe or effective.
Describe the way back before moving forward
Ask what would be required to restore the previous arrangement. Can the team recover the data, return the equipment or end the contract? Would customers, colleagues or suppliers bear a cost that the decision-maker has overlooked?
A new meeting format may be easy to reverse. Publishing confidential material is not, even if the page can later be deleted. The action’s consequences matter more than whether a button labelled “undo” exists.
For a small experiment, record the owner, scope, duration and observation that will trigger a review. Keep these proportional to the decision. A short note can be enough when the effects are limited and the exit route is clear.
An example with a real stopping point
Suppose a team wants to replace one weekly status meeting with written updates for two weeks. It could define where updates go, when questions are answered and what would indicate that coordination is getting worse. The previous meeting slot can remain available until the review.
This is an illustrative design, not a promised productivity gain. Its strength is that people know what is changing, what evidence to collect and how the team will decide whether to continue.
Before calling the experiment reversible, ask the people who will do the work. They may identify a hidden dependency or an external promise. A decision becomes easier to manage when reversibility is demonstrated through a workable exit plan rather than used as a reassuring adjective.

