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Miller's law 0:34
A 34-second explainer of Miller's law, narrated over the same demo you can try yourself.
Try the interactive Miller's law demo
What this video covers
Working memory holds about seven items at once, plus or minus two. Beyond that, things start to slip. It’s not about how smart you are - it’s about the mental space you’ve got.
That's your working memory limit in action. The number wasn't made up: George Miller measured it in 1956 and found the same result across people, senses, and kinds of information.
