How long is now? There is no clear answer to such an unclear question, even if you limit it to the subjective present. However, this question provokes many others, which might bring you closer to the opening question. Those insights are quite often much more exciting than answering the initial question.
The “now” of subjective perception has not only duration, the length also depends on the circumstances and point of view. For instance the “now” is shorter when heard than seen. When we know the boundaries of subjective present, we are able to see it not as an obstacle but as a module for optimised design and find ways that are more appropriate for how we perceive the world.
