Marketing & Advertising

Posts by Jeff Greenfield

Builds privacy-first attribution platforms to help marketers prove their impact

24 posts

Platform dashboards should not grade their own ad spend

Jeff argues that Google search escaped scrutiny because its dashboards looked good. Last-click credit and incremental impact answer different questions, and brand search shows the gap. Buyers should test what changes without the spend, and search must prove it earns its budget.

Platform-run lift tests need an independent second read

Jeff welcomes Reddit's new incrementality tools but says the seller shouldn't be the only one grading its own test. He recommends checking any platform's lift report with an independent vendor, using the advertiser's own analytics data.

Server-side tracking doesn't fix user-level measurement

Jeff doubts that IAB Tech Lab's Trusted Server Framework answers Apple's Safari restrictions, since it still builds a trail on one person. He says the web has moved away from user-level tracking for years, and advises measuring what spend changed in aggregate.

Apple's crackdown should push advertisers to aggregated measurement

Jeff says Apple's latest crackdown on fingerprinting and identity-stitching continues a decade-long push away from user-level tracking. He argues that advertisers still relying on stitched user paths are exposed and should move to aggregated, incremental measurement.

Stop rebuilding user-level tracking and measure in aggregate

Jeff argues that moving identity infrastructure server-side is just the latest circumvention of browser and walled-garden limits on user-level tracking. Teams that already moved to aggregate measurement are unaffected, while those rebuilding the old model gain only false confidence.

Server-side tracking patches the pipe, not the measurement model

Jeff argues that server-side frameworks only move the collection point and don't change what marketers are permitted to see. With walled gardens blocking access and most of the journey already untrackable, he says measurement should shift to outcomes and aggregated data.

User-level tracking is over and marketers must use aggregated data

Jeff argues that Apple's latest announcement finishes off user-level tracking, following years of cookie deprecation and iOS changes. With most of the user journey now untraceable, he says marketers should stop chasing individuals and adopt aggregated data.

Marketers should adapt to YouTube Shorts favoring original creators

Jeff argues that marketers stuck on traditional metrics and established channels are missing YouTube's shift toward original creators. Brands that work with new creators on Shorts-specific content see stronger engagement, and originality now separates winners from the rest.

Creator-led content is necessary to reach Gen Alpha

Jeff argues that the assumption that traditional media still works for Gen Alpha is wrong. He says retail brands shifting to creator-led content, which he likens to modern product placement, see stronger engagement and loyalty through direct creator-to-consumer connection.

Location data targeting is a security risk marketers must drop

Jeff argues that using location data for targeting exposes marketers to privacy and national security risks, citing reports of U.S. troops being targeted. He says the belief that more data improves targeting is false, and context balances personalization with privacy better.

Measure attribution by outcomes, not clicks

Jeff compares digital attribution to a puzzle whose pieces keep changing shape, reflecting an industry in constant flux. His answer is to prioritize outcomes over clicks, so that metrics show real impact instead of mere activity.

Last-click attribution rewards the wrong work

Jeff argues that last-click attribution no longer fits an AI-first world and steers teams toward the wrong work. He says he has watched campaigns fail by chasing the wrong metrics, and urges optimizing to outcomes instead of clicks.

Decision-makers own AI outcomes, not the code or the data

Jeff argues that AI failures in marketing usually trace back to human oversight rather than faulty algorithms. Flawless code can't fix bad data, so decision-makers must own their choices, accept AI's limits, and turn insights into action.

Privacy-first measurement is the only way forward

Jeff argues that privacy-first measurement is necessary because data access is not guaranteed. He warns against treating data as an endless resource and says restricted access pushes teams toward human intuition, which even strong data depends on.

AI marketing insights fail without human context and intuition

Jeff argues that AI marketing insights stall because they lack human context, not because the technology is weak. Numbers alone don't persuade, so teams need empathy and narrative to turn data into action and avoid strategic misfires.

AI demands a rethink of the entire attribution model

Jeff argues that AI can produce valuable insights only when teams rebuild their attribution models rather than cling to legacy systems. He says AI platforms support real-time decisions and that privacy-first models are essential for compliance and trust.

Marketers who delay adopting AI risk falling behind competitors

Jeff argues that AI is a transformation in marketing, not just a tool. He says real-time, privacy-compliant platforms offer a competitive edge, and that teams relying on yesterday's metrics will lose agility to competitors who adopt AI first.