Paid spend that compounds
Most agencies optimize for the campaign that pops once. We optimize for the system that pops every quarter.
by Shamir Islam
Resources
Essays and weekly teardown notes on the decisions that move CAC, conversion, MER, and measurement. Start with the latest piece or get the next one by email.
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Long-form on paid + CRO – attribution, CAC, creative testing, MMM, pricing, offers, and landing pages.
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One useful growth teardown every Tuesday. No fluff, no recycled threads, no sponsorships.
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Find essays by the problem you're solving – attribution, paid acquisition, conversion, retention, pricing, or measurement.
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Most agencies optimize for the campaign that pops once. We optimize for the system that pops every quarter.
by Shamir Islam
iOS 14 broke last-click. GA4 broke data-driven attribution. Then everyone discovered MMM and pretended it was new. Three patterns I see at every brand we audit, and what to do instead.
by Shamir Islam
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One archive per topic. Skim them like an index, drop into the piece you need.
Marketing mix modeling, multi-touch attribution, incrementality testing, and which questions each actually answers.
Meta, Google, TikTok, LinkedIn. What works in 2026 vs what worked in 2022.