New processes or techniques are tested during short iterations. By doing so, the team may either implement the successful idea or not, before the next iteration. This is part of an innovative concept, and if necessary, failing fast, learning from the experiment, and moving on. The other responses are incorrect. Because the team is self-led, it can decide what ideas can be tried and implemented; when the typical iteration is between two and four weeks, time doesn’t need to be accounted for, and a decision can be quickly made; there’s no limit to good ideas, and the team should decide if a concept should move forward.