In 2008, three guys funding the company with air mattresses and novelty cereal boxes built this 14-slide deck to raise a $500K angel round. The company is Airbnb. The deck is almost aggressively plain — no hockey sticks, no jargon, kid-friendly fonts — and that restraint is exactly why it still gets taught a decade and a half later.

Move #1 — name the incumbent in the first 11 words. Slide 1 is the whole pitch: "Book rooms with locals, rather than hotels." It positions against hotels, so a reader knows the category and the wedge in one breath. If your one-liner doesn't name the thing you replace, rewrite it.
