Open any chat tool and paste: 'Explain 7B vs 70B model size for a smart manager in exactly 4 bullets. No hype words like revolutionary.' You're done when you've got 4 bullets you'd feel comfortable showing your boss.
How-to · ORI · ORI.1
Parameters without math fear
Parameters are adjustable knobs that change behavior; you do not need the calculus to use the idea.
Worked example
When you hear '7B parameters,' think of it as millions of adjustable knobs the model tuned from data — not 7 billion Wikipedia facts sitting in a lookup table. And bigger doesn't automatically mean better for what you're trying to do.