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Quick answers
When should I pick Pitch decks?
When the story is: fundraising, sales kickoffs, grant talks, competition finals.
When should I avoid Pitch decks?
Skip it in cases like: dumping the whole dashboard — a deck is a speech, not a warehouse.
Who invented or popularised it?
Sequoia/a16z memo culture plus Keynote-era startup theatre
What does it encode?
one idea per slide; a chart only if it is the sentence
Is it OK in ads?
Yes if one claim is visible at a glance in Meta, Google and retail print; otherwise link to a full figure.
Will a teacher accept it?
Yes for lab reports and poster boards if axes, units and a source line are present.
Pitch decks encodes values as one idea per slide; a chart only if it is the sentence. Sequoia/a16z memo culture plus Keynote-era startup theatre.
In reports, ads and assignments it fits fundraising, sales kickoffs, grant talks, competition finals. Skip it when dumping the whole dashboard — a deck is a speech, not a warehouse.
Mistakes
- Failure modes 1 — dumping the whole dashboard — a deck is a speech, not a warehouse
- Failure modes 2 — 3-D pies and perspective bars
- Failure modes 3 — Dual axes that fake a correlation
- Failure modes 4 — Truncated axes that shout a small delta
- Failure modes 5 — Legend only, no direct labels
- Failure modes 6 — Missing source, unit or period
Fixes
- Fixes 1 — Return to fundraising, sales kickoffs, grant talks, competition finals.
- Fixes 2 — Flat, one axis, direct labels.
- Fixes 3 — Color-blind-safe palette plus pattern.
- Fixes 4 — Rewrite the title as a claim and add a source line.
Pitch decks: honour one idea per slide; a chart only if it is the sentence, and switch when dumping the whole dashboard — a deck is a speech, not a warehouse.