What is ma?
It is the interval that gives the parts their shape.
Ma is usually translated as negative space, gap or pause. In Japanese design, music and theatre it is treated as a positive element: the silence before a note, the empty area in a print, the beat an actor holds. Remove the interval and the parts blur into noise.
Western psychology measured the same effect from the other side. Hermann Ebbinghaus mapped the forgetting curve in 1885 and found that spacing repetitions out beats cramming them together, which is the spacing effect still used in teaching today.
What does it mean for marketing?
More messages is not more marketing.
Every channel rewards presence, so the default is to add: another email, another retargeting pool, another creative in rotation. Past a point each extra exposure adds cost and subtracts goodwill, and the brand reads as noise rather than confidence.
The same curve shows up in ad creative. Impressions keep accruing while click-through rate decays, because the audience has already predicted the ad. A planned rest and a replacement creative recover more performance than another budget increase.
A brand with no quiet weeks has no loud ones either.
What do we do differently?
We plan the gaps as carefully as the messages.
- Frequency caps set from audience size, not from what the platform allows.
- Creative rest scheduled before fatigue, using the measured half-life rather than a guess.
- Email cadence set by the forgetting curve for that audience, with permission to send nothing.
- Campaign calendars with deliberate quiet weeks, so a launch has contrast to land against.
How we measure it
Falling click-through rate at steady spend, rising unsubscribe rates and complaints on a stable list, and creative half-lives under two weeks are all signs the gaps are too small.
The Ad Fatigue Half-Life calculator turns the first of those into a date: it fits the decay in your own click-through rate and says when the creative should be rested.
Tools built on this principle
Practical articles
- How often to email customers, using the forgetting curve
- Ad creative fatigue: how to spot it and when to refresh