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Please follow the “no more than 7 things at once” rule

Say things in bits of 7 or less. Mostly, reduce it to 3.

Examples: Tell someone your phone number is 555-2961, and not 201-555-2961. Or give them your zip code as 86153, and do not add the “post office four!” In other words, do not say 9 numbers straight in one blast: 861539039. Doing that is inappropriate.

What do we make of this “7 or less” rule?

The 7 bit rule happens, it happens all over the world, you can’t beat it so might as well join it. It’s how our brains work. On average, they process about 7 bits per blast of information (in computer speak: we inherited a 7 bit processor). Mostly though, brains are 3 bit processors. That’s why three things are magic, in bullet points, religion, and friends.

When you say things do it in 7s or less; when you can, limit it to 3 things!

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