MarketingLegendary
Magazine

The Legendary Magazine.

Performance marketing, measured honestly. Teardowns, frameworks, and first-party data.

Measurement · Featured

MMM vs MTA vs Incrementality: The 2026 Measurement Decision Matrix

Three lenses on the same funnel — how we pick which one settles the argument.

Legendary Editorial · 9 min read
Measurement

Why Your Platform ROAS Is Lying to You (and What to Measure Instead)

Reported ROAS is not causal ROAS. Here's how to tell them apart — and what to do about it.

7 min read
Creative

Creative Velocity: The One Number That Predicts Your CAC in 2026

Brands testing 20+ ads a month see 65% higher ROAS. The math behind why.

6 min read
Video

The Post-VAC Playbook: Running Conversion Video Through Demand Gen

Google killed Video Action Campaigns. Here's what actually works now.

8 min read
App Growth

App Growth Is a Loop, Not a Funnel: A Retention-First UA Framework

Why the funnel metaphor breaks in app UA, and what to use instead.

10 min read
Paid Social

LinkedIn Thought Leader Ads: Why 0.42% CTR Single-Image Ads Are Costing You 6x

The most underused efficiency lever in B2B media, in one chart.

5 min read