{"id":"mkt-x-landing-benefit-blocks","track":"marketing","audience":"product-managers","category":"social-content","technique":"grounding","title":"Write landing page benefit blocks backed by beta numbers","free":false,"task":"You're the PM for Ledgerleaf, an invoicing app for contractors, writing the 3 benefit blocks under the hero. Write exactly 3 numbered lines in the shape Benefit headline: one sentence, with the headline under 6 words and the sentence under 18 words. Tie each to a v1 feature, use only the beta numbers marked final, and skip the banned phrase \"AI-powered\". Plain text, only the list.","materialLabel":"Product notes (attached to your prompt automatically)","material":"LEDGERLEAF - launch notes (PM: Tomasz Ruiz)\n\nWho: independent contractors (plumbers, electricians, painters), 1-5 person shops\n\nV1 features:\n- Send an invoice from your phone at the job site (photo of the work attached)\n- Automatic payment reminders at 3, 7 and 14 days\n- Customers pay by card or bank transfer from the invoice link\n\nBeta results (40 contractors, Sept-Oct):\n- FINAL: average time to send an invoice dropped from 25 minutes to 4 minutes\n- FINAL: invoices paid within 14 days went from 48% to 71%\n- PRELIMINARY (don't publish): \"saves 6 hours a week\" - from 5 self-reported surveys\n\nMarketing notes:\n- \"AI-powered\" is banned on the page. Legal says the reminder timing isn't AI.\n- Contractors hate jargon. Talk like a foreman, not a bank.","rules":[{"type":"numberedItems","count":3},{"type":"plainText"}],"mistakes":[{"title":"Using the preliminary stat","why":"\"Saves 6 hours a week\" is the catchiest number, so the AI uses it.","fix":"Add: \"Only final beta numbers. Skip the 6 hours.\"","checks":["r2"]},{"title":"Inventing benefits","why":"The AI writes generic benefits like \"look professional\" that no feature backs.","fix":"Add: \"Tie each block to one v1 feature.\"","checks":["r1"]},{"title":"Letting the buzzword in","why":"\"AI-powered\" is the AI's favorite app adjective.","fix":"Add: \"Never say AI-powered.\"","checks":["r2"]},{"title":"No block shape","why":"The AI writes headings with paragraphs, in bold.","fix":"Show it: \"Benefit headline: one sentence.\"","checks":["r0","plainText"]},{"title":"Too many blocks","why":"The AI writes 5 or 6 benefits.","fix":"Add: \"Exactly 3 numbered lines.\"","checks":["numberedItems"]}],"promptHints":[{"label":"Sets the block shape","patterns":["headline:","one sentence","benefit"]},{"label":"Says how many","patterns":["\\b(3|three)\\b.{0,20}(blocks|benefits|lines)","exactly \\d+"]},{"label":"Uses only final numbers","patterns":["final","preliminary","6 hours"]},{"label":"Bans the buzzword","patterns":["ai-powered","jargon"]},{"label":"Asks for only the list","patterns":["only the (numbered )?list","no (intro|notes|explanation)","nothing else","plain text"]}],"hint":"Beta notes mix solid numbers with hopeful ones. Tell the AI which are final, what each block ties to, and the banned phrase.","rubricLabels":["Each line follows 'Benefit headline: one sentence', with the headline under 6 words and the sentence under 18 words","Each block ties to a v1 feature (invoicing from the job site, automatic reminders, card or bank payment), and any numbers are the final beta numbers (25 to 4 minutes; 48% to 71% paid within 14 days)","Never says saves 6 hours a week or AI-powered, and the reply is only the numbered list"]}