{"id":"mkt-x-display-ad-size-copy","track":"marketing","audience":"marketing","category":"social-content","technique":"constraints","title":"Write display ad copy that fits three banner sizes","free":false,"task":"You're writing banner ad copy for Tandem Ride, a bike-share service, in three sizes. Write exactly 3 lines labeled 300x250:, 728x90: and 320x50:, with the copy under 12, 9 and 6 words, each including the corrected first-ride offer. No \"free rides forever\" or \"unlimited\" claims, and use plain text with nothing else.","materialLabel":"Campaign notes (attached to your prompt automatically)","material":"TANDEM RIDE - spring display campaign\n\nOffer (Feb draft): first ride free, up to 60 minutes\n-> UPDATE (Mar 2, finance): first ride free, up to 30 minutes. 60 cost too much in the pilot.\n\nAd sizes and space:\n- 300x250 (medium rectangle): room for a short sentence\n- 728x90 (leaderboard): one short line\n- 320x50 (mobile banner): tiny, a few words\n\nKey message: bikes at 140 stations across Riverton, unlock with the app.\n\nLegal:\n- Don't say \"free rides forever\" or \"unlimited rides\" (the monthly pass has a 45-minute cap per ride)\n- Offer applies to new riders only\n\nBrand: friendly, quick, no exclamation points.","rules":[{"type":"maxWords","max":40},{"type":"plainText"}],"mistakes":[{"title":"One length for all sizes","why":"The AI writes the same sentence for every banner.","fix":"Set per-size limits: \"300x250 under 10 words, 728x90 under 7, 320x50 under 5.\"","checks":["r0","maxWords"]},{"title":"Using the draft offer","why":"60 minutes is in the first line of the notes.","fix":"Add: \"First ride free, up to 30 minutes.\"","checks":["r1"]},{"title":"Overpromising","why":"\"Unlimited rides\" is the AI's go-to bike-share hook.","fix":"Add: \"No free forever or unlimited. No exclamation points.\"","checks":["r2"]},{"title":"Getting design notes","why":"The AI adds bold labels, CTA buttons and image ideas.","fix":"Add: \"Only the 3 labeled lines, plain text.\"","checks":["plainText","r2"]}],"promptHints":[{"label":"Names the sizes","patterns":["300x250","728x90","320x50"]},{"label":"Sets per-size limits","patterns":["\\d+\\s*words"]},{"label":"Uses the updated offer","patterns":["30 min","update","mar(ch)? 2"]},{"label":"Rules out overpromises","patterns":["unlimited","forever"]},{"label":"Asks for plain text","patterns":["plain","no bold","nothing else"]}],"hint":"Each banner size fits a different amount of text. Give the AI a limit per size, the current offer and the claims legal cut.","rubricLabels":["Has 3 lines labeled 300x250:, 728x90: and 320x50:, with the copy under 12, 9 and 6 words respectively","Each line mentions the first ride free, and any time limit is 30 minutes (never 60)","No line says free rides forever, unlimited or has exclamation points, and there's nothing else in the reply"]}