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hookchain
AppsFounder storyB2B SaaS30s · 9:16Best on Gemini Omni Flash

Twenty years of "just following up" emails

A former bookkeeper holds up a stack of overdue invoices and explains she wrote 'just following up' emails for twenty years, so she built a tool that sends polite, escalating reminders on its own.

Example product
Nudgeledger — An invoicing add-on that sends polite, escalating payment reminders automatically
Audience
Small-business owners and freelancers who chase late invoices
Creator
Former bookkeeper turned founder, early 50s

Variables — swap these for your product

{{APP_NAME}} = Nudgeledger{{YEARS}} = twenty years{{RESULT}} = paid faster{{OFFER}} = Free for your first ten invoices

01 · hook

The stack of overdue invoices

0–3s

“{{YEARS}} of writing 'just following up.'”

Vertical 9:16 selfie video, medium close-up, phone on a small tripod. a 52-year-old Puerto Rican woman with shoulder-length dark curly hair streaked with grey, red-framed reading glasses, a black blazer over a white blouse and a small gold cross pendant sits in a small office in the late afternoon, grey filing cabinets and a framed bookkeeping certificate behind her, a laptop on a wooden desk, warm desk lamp and blinds casting soft stripes. She lifts a thick stack of printed invoices stamped "overdue" and drops it on the desk, then looks over her red glasses into the lens. She says: "{{YEARS}} of writing 'just following up.'" Static camera, warm desk lamp, blind stripes on the wall, natural skin texture, shot on iPhone front camera, unpolished. No captions or on-screen text.
duration
3 s
aspect ratio
9:16
resolution
720p · 24 fps
audio
always on — normalise to −14 LUFS in the edit
image urls
creator, setting (guides look, doesn't lock frame 1)

Shot list

  1. 0.0–3.0sMCU. Drops the overdue stack, looks over her glasses

On-screen text (overlay in edit)

20 years of 'just following up' emails

Audio

Paper thud, quiet office tone

References

02 · demo

Why she built it

3–12s

2 shots, 3 model prompts, settings and captions in the full library.

Unlock

03 · proof

What owners tell her

12–22s

2 shots, 3 model prompts, settings and captions in the full library.

Unlock

04 · cta

Stop chasing

22–30s

2 shots, 3 model prompts, settings and captions in the full library.

Unlock

Launch offerLaunch pricing ends Sunday

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Why it works

Every small-business owner knows the phrase 'just following up', so the hook lands on recognition and a little dread. The founder's years doing the job by hand make the product feel built by someone who gets it. The proof is a named type of customer and a feeling (no awkward emails), and RESULT stays a variable rather than an invented stat.

Hook variants to A/B test

  • “I chased invoices for a living. Then I automated myself.”
  • “Writing 'just checking in' is not your job.”
  • “Late invoices cost me twenty years of awkward emails.”

Reference images

  • creator

    Shoulders-up photo of the founder in the black blazer and red reading glasses, warm desk-lamp light

  • setting

    Small office with grey filing cabinets, framed certificate, wooden desk and blinds

  • screen

    Your product's reminder timeline for one invoice and a real customer message (with consent), as 9:16 crops

  • endcard

    Product logo, one-line value prop, offer and URL on a plain background

Creator look (paste into your image model)

Woman, 52, Puerto Rican, shoulder-length dark curly hair streaked with grey, red-framed reading glasses, black blazer over a white blouse, small gold cross pendant. Small office, late afternoon, grey filing cabinets and framed bookkeeping certificate behind, laptop on a wooden desk, warm desk lamp, blinds casting stripes.

Model notes, last verified 2026-10-16: Provisional: written to Kling 3.0 conventions (3.0-compatible) until 4.0 publishes its own. 3, 5 or 10 s only; audio always on; add captions in post.

Launch pricing ends Sunday

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