Being BetterAtWork isn’t just about attitude or effort. It’s about having the right tools. Every tool in this series so far has lived on a page: a list, a calendar, a ranked six. This week’s tool is the first one you actually look at instead of read.
In 1956, a Toyota engineer named Taiichi Ohno traveled to the United States to study American manufacturing. However, instead of finding inspiration in a factory, he found it at the supermarket. He stood and watched shoppers pull loaves of bread off the shelf, and watched a stock clerk come by later and replace only what was gone. Nobody had guessed how much bread to bake that morning. The empty space on the shelf was the signal. Full meant wait, empty meant restock, and the store never overproduced or ran out.
Ohno flew home with that image stuck in his head and couldn’t shake it. Toyota’s factory worked the opposite way, every station pushing parts downstream based on a forecast, building up piles of inventory. He redesigned the line around what he’d seen in the supermarket aisle: a system of cards, kanban is Japanese for “signal card,” where each station only pulled what the next station had actually used. Nothing moved until something downstream created an empty space. It became one of the foundations of the Toyota Production System, and it started with a man staring at a bread shelf instead of an assembly line.
Decades later, two consultants named Jim Benson and Tonianne DeMaria Barry took that same visual, pull-based idea and shrank it down from a factory floor to a single person’s workload. In 2011 they published “Personal Kanban,” and the tool has been showing up on whiteboards and sticky notes ever since.
Here’s how it works:
- Draw three columns: To Do, Doing, Done. A whiteboard, a wall of sticky notes, or a digital board like Trello all work.
- Write every task on its own card and put it in the To Do column.
- Set a limit on how many cards can be in the Doing column at once. Two or three is typical.
- When you start a task, move its card to Doing. When you finish, move it to Done.
- Only pull a new card into Doing when there’s an open slot, meaning something else already finished or moved out.
A list tells you what you have to do. A board shows you what you’re actually doing, and the gap between those two things is usually bigger than people expect.
The visible board format has a purpose beyond a place to put tasks. There’s a well-documented principle in cognitive psychology called recognition over recall, the idea that recognizing something in front of you takes far less mental effort than pulling it up from memory. A list you have to open and scroll requires recall. A board sitting on your wall requires nothing but a glance. You’re not trying to remember what you’re working on, you’re just looking at it.
The work-in-progress limit is the part of the system that actually changes behavior, though, and it’s also the part people are most tempted to skip. Without a limit, Doing quietly turns into a second To Do list, and you end up with twelve things “in progress” that are really just twelve things you started and haven’t finished. Capping that column forces a decision every time you want to pull in something new: finish something first, or admit you’re not really working on the thing you think you’re working on. That friction is uncomfortable on purpose. It’s the same discomfort Ivy Lee’s six items or the two-minute rule creates, just enforced visually instead of by a rule you have to remember to follow.
There’s also something to the physical act of moving a card that a checkbox doesn’t quite replicate. Checking something off is quick and easy to do without thinking. Physically moving a card from Doing to Done is a small deliberate motion, and small deliberate motions tend to register as real progress in a way passive completion doesn’t. It’s a minor thing, but minor things that make progress feel real have a way of keeping people going.
If you want to try it, don’t overbuild it. Grab a whiteboard or three sticky note columns, write down what’s actually on your plate right now, and cap Doing at two or three cards. Don’t touch a new card until one moves to Done. Give it a week and see how different your workload looks when you can actually see it instead of just remembering it.
This is part of an ongoing series on productivity tools, systems, and philosophies. If there’s one you’ve heard about but haven’t tried, send it my way at garth@experiencebetterllc.com. I’ll research it and put it to the test so you don’t have to wonder.