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Myth-vs-fact explainer

A voiceover-led kinetic piece: a calm narrator reads myth-and-fact pairs, each myth line getting a red strike sweep before the fact lands, with word-level highlighting synced to the read.

It is one of 13 native HTML ad templates in Hermoso — formats rendered from real markup by a browser rather than generated by a model. This one outputs a video, with 4 copy slots you fill.

When to use it

Category education and objection handling where the correction needs authority. The voiceover makes it work as an ad rather than a graphic.

The thing to get right

This is the one template in the family that carries audio from outside the browser. The voiceover is synthesised first, its word onsets are measured, and every beat is snapped to a real word boundary — which is why the highlighting lands exactly on the spoken word.

The format at a glance

  • Output — a video.
  • Copy slots — 4, each with its own character budget derived from the layout rather than guessed.
  • Assets required — none — it renders from copy and your brand alone.
  • Template id — myth-vs-fact.

How this template renders

Nothing here is generated by an image or video model. The format is a self-contained HTML page whose animation is a pure function of time — no CSS keyframes, no timers, no randomness — and the renderer steps that page frame by frame in headless Chrome, screenshots each frame, and assembles them with ffmpeg into an H.264 file that ends on a crossfade into your brand end card.

Two things follow from that. The render is deterministic: the same inputs produce the same file, so a format that looked right yesterday looks right today. And every word on screen is real browser-rendered text, which means the copy is exact and stays sharp at any resolution. The whole thing costs a couple of credits rather than a video generation, which is what makes these formats practical to run at volume.

How many myth and fact pairs fit?

Three or four in a short spot. Pairs are the unit, so an odd count leaves a fact with no myth to correct and it reads as an ordinary claim. Each pair also has to survive being heard rather than read, because the narrator is carrying it.

All 13 are listed on the native ad template index, and the wider catalog is on the creative recipes index.

The myth-vs-fact explainer template is reachable from Claude, Cursor, Codex or any other MCP client as well as from the web studio, with the same brand grounding. Driving a format from an agent covers the setup.

Render a native-format ad in a couple of credits — the free plan needs no card.

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