Knowledge Centre

Learn about the latest industry trends

Marketing efficiency ratio: How to calculate and improve yours

The marketing efficiency ratio (MER) measures how much revenue marketing generates for every dollar spent. MER is calculated by dividing total revenue by total marketing spend for a defined period. Unlike ROAS, which focuses on the return of specific ad campaigns, MER gives a blended, executive-level view of overall marketing effectiveness across all channels. A higher MER indicates more efficient marketing performance, although what counts as “good” depends on margins, customer behavior, and business model.

AI search strategy: A guide for modern marketing teams

Search no longer rewards keywords alone — it rewards clarity. Large language models now read, reason, and restate information, deciding which brands to quote when they answer. An AI search strategy adapts content for that shift, focusing on being understood and cited, not just ranked and clicked.

Entity-based SEO: An explainer for SEOs and content marketers

Entity-based SEO is a content optimization strategy built around concepts, relationships, and context rather than isolated keyword phrases. Search engines identify entities — distinct concepts, people, places, or things — and connect them through the Knowledge Graph to interpret meaning and determine topical authority.

Best AI workflow automation tools for growing businesses

AI workflow automation tools connect apps, data, and departments to execute tasks automatically — reducing manual work and improving efficiency across organizations. Unlike traditional rule-based automation, these tools use artificial intelligence to predict next steps, learn from outcomes, and continuously optimize processes.

AEO vs. GEO explained: What marketers need to know now

Marketers use AEO and GEO interchangeably, but there is a difference, and that’s what will be defined and explained in this article. In brief, AEO optimizes content for answer boxes and voice search results, while GEO targets AI chatbot citations and generated summaries.

Building systems of trust in the age of AI while staying human at heart

When I joined HubSpot, I stepped into a rare position. I had already spent years as a customer, learning how to build systems creatively with the tools I had access to. Then, I joined the company with the responsibility of modernizing a long-standing customer reference system that had served many teams well but was now struggling to meet new expectations, complexity, and scale.

What should marketers let go of in 2026?

I asked six HubSpot colleagues who are experts in their respective arena what their hopes and dreams are for 2026. From “just make AI and spreadsheets work” to tracking emotional momentum, here‘s what we’re looking forward to next year.

“AI is bad at being cool”

I spent the last week asking HubSpot marketers to get really honest about what actually worked for them in 2025 — and what they let go of.

2025’s Lingering Questions

Lingering Questions is one of my favorite parts of the Masters in Marketing newsletter, because it’s an opportunity for marketers to talk directly to one another.

3 easy growth hacks to get ahead in an AI-saturated landscape

Over the last five years, the business world has undergone a more dramatic transformation than it did in the entire decade before. Just as companies were adapting to permanent shifts in workplace dynamics, consumer behavior, and global economics — all sparked by the COVID-19 pandemic — generative AI emerged. This delivered a shock to business comparable to the internet revolution of the 1990s.

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