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First-Party Data Strategy

iOS privacy changes gutted Meta targeting. Third-party cookies are ending. The brands that survive are the ones that own their customer data. The First-Party Data Strategy designs the full system — opt-in incentives, collection touchpoints, segmentation architecture, activation plan — that turns customer data into a moat.

What this skill does

The brands paying double CPAs right now are the ones that built their growth on cheap precise retargeting and never developed the data they own. The brands flat or growing are the ones that turned every touchpoint into a value exchange and ended up with a list they could actually use. First-party data isn't a marketing fad — it's the strategic asset that survives the next platform change.

The strategy starts with an audit. What data are you currently collecting, where does it live, what's the quality. Most brands discover they're collecting birthdays they never use, phone numbers they never text, and preferences they never segment on. Data you don't use is data you shouldn't collect — it's privacy liability for no upside.

The opt-in incentive ladder is the heart of it. People don't give data for free. Every collection point needs a value exchange — and "sign up for our newsletter" isn't one. Level 1 swaps email for a meaningful offer (discount, free shipping, a useful content piece, giveaway entry). Level 2 swaps a quiz or survey for personalisation (a style profile, a curated recommendation, a fit guide). Level 3 swaps phone number for SMS-exclusive access or birthday rewards. Level 4 swaps a full account for the loyalty programme. The data ask escalates, and the value exchange escalates with it.

Collection touchpoints are deliberate, not blanket pop-ups. Exit-intent fires when the cursor heads for the close button. Scroll-depth fires after 50% on product pages. Footer signup is the always-present low-friction option. Quiz/finder tools capture preferences plus email in one motion. Post-purchase touchpoints (account creation, satisfaction survey, review request, referral) capture the data that's hardest to get elsewhere. The skill writes the copy for each one. And critically — never shows pop-ups to returning subscribers who already opted in. Pop-up fatigue is real and the skill enforces a 7-day re-show minimum at minimum.

Segmentation is where the data becomes useful. The skill builds three layers: behavioural (purchase frequency, category affinity, price sensitivity, engagement level), lifecycle (new subscriber, first buyer, repeat, at-risk, lapsed, won back), and preference (self-reported plus inferred). A list of 10,000 unsegmented emails is less valuable than 2,000 emails segmented properly. The strategy isn't "collect more" — it's "collect smarter".

Activation is the part most data strategies skip. The skill specifies how each segment gets used: Meta lookalikes from your customer list (needs 1,000+ for Meta, 5,000+ for Google to build effective lookalikes), customer match for retargeting, suppression lists so you stop showing acquisition ads to recent buyers, segment-specific creative so VIPs see loyalty offers and lapsed customers see win-back.

Right-sized to the brand. Under 5,000 subscribers? Klaviyo or Shopify built-in segmentation is plenty — no CDP recommendation. Under 1,000 subscribers? Skip the full segmentation architecture entirely and focus on the first 1,000 captures: which single incentive, which single placement, what the welcome flow looks like. Segmentation strategy comes when there's data to segment. Compliance is non-negotiable — GDPR, CCPA, Apple Mail Privacy Protection — and the output includes the checklist.

When this triggers

  • ·Your CPAs are climbing, ROAS is falling, and you suspect it's iOS/cookie deprecation rather than your ads
  • ·You have an email list but no segmentation — everyone gets the same campaign
  • ·Your only opt-in is 'subscribe to our newsletter' and your conversion rate proves it
  • ·You're collecting birthdays, phone numbers, and preferences and using none of them
  • ·You have under 1,000 subscribers and don't need an enterprise CDP — you need a focused starter plan

Example

Trigger

User: 'Apparel brand. 4,800 email subscribers. Single 10%-off pop-up. No SMS, no segmentation, no quiz. Meta CPAs up 60% YoY.'

Output

Data maturity: Low-Medium. Biggest gap: no preference or behavioural data — you're flying blind on segmentation. OPT-IN INCENTIVE LADDER Level 1 (email): swap flat 10% for "find your fit" quiz — captures size, style, occasion + email. Level 2 (email + phone): early-access SMS list, restock alerts. Level 3 (account): wishlist + saved fit profile. COLLECTION TOUCHPOINTS — 6 with copy Exit-intent / scroll-50% on product pages / footer / back-in-stock notify / post-purchase fit feedback / referral programme. SEGMENTATION (achievable now) Lifecycle: new subscriber / first buyer / repeat / lapsed. Behavioural: browse category affinity, price sensitivity. Self-reported: quiz answers (size, style, occasion). ACTIVATION Meta lookalikes from 5k+ purchasers (you'll cross threshold in ~90 days), suppression list for recent buyers, segment- specific creative (VIPs vs lapsed vs one-timers). + 90-day roadmap, GDPR/CCPA compliance checklist.

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What you get

  • 225-line SKILL.md, ready to drop into ~/.claude/skills/
  • Tested through 3 Karpathy-loop iterations (versions v1.0.0 → v1.3.0)
  • Triggers automatically when relevant — no command to remember
  • Lifetime updates as the skill is refined further

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