Carrie Gallagher

Certified HubSpot Consultant | HubSpot Solutions Partner

Artificial Intelligence

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How AI improves email deliverability beyond send times

Email deliverability is cumulative, and AI email deliverability optimization works by reinforcing the sending behaviors that mailbox providers already measure over time. Mailbox providers evaluate authentication alignment, complaint rates, engagement patterns, and unsubscribe behavior across domains. In 2024, Gmail and Yahoo formalized stricter requirements for bulk senders, reinforcing a core principle: inbox placement depends on authentication, permission, and recipient behavior working together.

According to HubSpot’s 2026 State of Marketing report, 22% of marketers cite email as a top revenue driver. AI strengthens that infrastructure by improving segmentation discipline, identifying reputation shifts earlier, maintaining cleaner lists, and stabilizing engagement patterns — without overriding provider policies.

This guide explains what AI-powered email deliverability optimization is, how it applies to content, reputation, list quality, and timing, and which platforms support those workflows.

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HubSpot introduces the Loop: A playbook for growth in the AI era

The creators of Inbound Marketing are giving marketers a new way to reach customers when AI has changed everything: Loop Marketing.

Here’s the hard truth for marketers: the funnel isn’t flowing. 

Today, 60% of Google searches end without a click.* Brands are losing website traffic as buyers get answers right in search from AI Overviews, or LLMs like ChatGPT or Perplexity. 

Not to mention, customer attention is scattered across YouTube, TikTok, Reddit, podcasts, and platforms that didn’t exist five years ago. What used to come down to SEO and blog content is now much more complicated. 

As the pioneers of Inbound Marketing, the playbook that has helped businesses attract customers since the early days of the internet, we think marketers need a new way to grow.

That’s why today, we’re introducing the Loop, a new approach to driving growth in the AI era.

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AI predictions that will completely change marketing in 2025

By: Nathan Lands
Publication Date: 2025-07-17

For the past few months, I‘ve been deep in the trenches testing the latest AI models, spending $200 a month on ChatGPT Pro, and building games with AI that would have required entire development teams just months ago.

I’ve watched reasoning models solve problems that stump PhD mathematicians. What I’m seeing isn‘t just incremental improvement; it’s a complete phase change.

After countless hours testing ChatGPT against Claude, Gemini 2.0, and similar AI competitors, I’m convinced 2025 will be the year AI goes from “cool tool” to “fundamental infrastructure.” Here are my six predictions, as well as tactical steps marketers can take to stay ahead.

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5 of the Best AI Content Generators

By: esantiago@hubspot.com (Erica Santiago)
Publication Date: 2024-06-04

I‘m going to be fully transparent here. As I write this blog post, I’m on a train to the other side of my state. If you’re a busy marketer or content creator like I am, chances are you’re always on the go for your next project (figuratively or literally).

You could probably use some tools to streamline or automate aspects of content marketing, saving you time and allowing you to move on to the next big thing on your to-do list.

67% of marketers say the biggest benefit of AI is its ability to create content faster. If this sounds enticing to you, then you’ve come to the right blog post.

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How to Use AI to Market Your Small Business [+ Favorite AI Tools]

Being a small business is both easier and harder than ever. Yes, the competition is tough, but there have never been more AI tools that can help you in almost every segment of your business.

For example, I’d long wanted to sell merchandise with my designs. However, the thought of getting started and thinking about the initial steps felt overwhelming.

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