Brian León

Articles by Brian León

Senior Content Writer at Funnel, Brian has 10+ years of experience in marketing, journalism, content, communications and media.

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Magnifying glass against blue background to represent MMM granularity trap.
Measurement

Marketing mix modeling limitations and what MMM can’t tell you

You’ve probably asked it before: “Can we break this down by campaign?” It sounds like a reasonable request. If marketing mix modeling (MMM) can tell y...

Data

Everything you need to know about marketing data integration

Marketing teams have never had more data, and they’ve never trusted it less. It’s a classic too many cooks in the kitchen situation. Your ad platforms...

A gauge showing a needle moving past the optimal zone into diminishing returns
Marketing

Why your best-performing channel might be your biggest waste

Your best-performing channel might be where you're wasting the most money. It sounds counterintuitive, but it's a pattern that constantly plays out in...

A minimalist image of a ruler to represent marketing measurement.
Measurement

Everything you need to know about marketing measurement

Which campaigns are actually driving growth, and which are just noise? As a marketer, you’ve probably run into a similar problem: dashboards don’t mat...

Thick rope pulled from opposite directions with fibers beginning to snap at the center | photorealistic
Measurement

Measurement is quietly redistributing power inside marketing

Walk into the quarterly business review at a sophisticated marketing organization and you can predict the conversation. The marketing mix model (MMM) ...

Marketing Budget

Finding your next best dollar: The question every marketer asks (but few can answer)

Every marketing team wants to answer this question: where should the next dollar go? It sounds simple, but most teams don’t have a confident answer. A...

Trends & News Data

Why Claude and ChatGPT still can't answer your marketing questions — and how an MCP fixes it

Marketing teams are using AI more than ever. But the answers still don't feel reliable. That's not a coincidence, it's a data problem. And that proble...

Measurement

Marketing measurement is becoming a system, not just a model

Marketing measurement is changing. Not because of new tools, but because marketing itself has changed. Customer journeys now span multiple channels. A...

top mta tools
Measurement

Top multi-touch attribution (MTA) tools for 2026

Multi-touch attribution (MTA) has long been a critical tool in digital marketing, helping businesses understand how different customer touchpoints inf...

instagram ads optimization
Marketing

14 Instagram best practices to grow your audience and reach

Instagram reaches over 2 billion monthly active users, and ad spend on the platform grew 21% year-over-year in Q3 2025, according to a recent digital ...