- The bit nobody tells you: automation is older than the internet
- What changed in 2022, and why it's not the same shift as before
- My own experience with this, and why the history matters
- Why the history changes how you should build your automation in 2026
- Where the data side fits in
- The part that matters for your business today
- Frequently asked questions
The short version: Marketing automation didn't start with HubSpot or Marketo in 2006, it started with database-driven direct mail in the 1980s and Unica's software in 1992, then moved to email in the late 1990s and got rebuilt again by AI after 2022. It matters now because the tools have outpaced most people's ability to use them well, and the businesses winning aren't the ones with the most automation, they're the ones who cut the noise and automated the right ten things instead of all two hundred.
If you want to go deeper on this: What Is Social Media Automation and How Can It Save You Time.
If you want to go deeper on this: What Counts As A Good Conversion Rate In Marketing Today.
The bit nobody tells you: automation is older than the internet
Ask most marketers when automation began and you'll get "HubSpot, 2006" or "Marketo, around the same time." That's when it became a category with a name and a logo. It's not when it started.
The real starting point is database marketing in the 1980s, when direct mail companies began using mainframe systems to segment customer lists and trigger different letters based on purchase history. American Express was doing this in the early 1980s, sending different renewal offers to cardholders based on spend patterns pulled from a database rather than a single blast to everyone. That's automation. No software called itself that yet, but the logic (if this, then that, sent without a human pressing send each time) was already live.
Then in 1992, a company called Unica launched out of a research spinoff and built one of the first purpose-built marketing automation platforms for large enterprises. IBM bought Unica in 2010 for a reported 480 million dollars, which tells you the category was already worth serious money nearly two decades before most small business owners had heard the term.
Email is where automation got its modern shape. Autoresponders existed by the mid-1990s. Then in 1999, Eloqua launched, built specifically for B2B lead nurturing, the idea that you could send a prospect a sequence of emails based on what they clicked rather than what day it was. Oracle bought Eloqua in 2012 for 871 million dollars. HubSpot and Marketo both launched in 2006, built the "inbound" and "demand gen" language around automation, and both went on to be acquired or go public for billions. Adobe paid 4.75 billion dollars for Marketo in 2018. Salesforce bought ExactTarget for 2.5 billion dollars in 2013, which brought Pardot into its stable too.
So by the time most small business owners started hearing "marketing automation" as a buzzword around 2014 to 2016, it was already a 30-plus-year-old discipline with billions of dollars of acquisitions behind it. That gap between when something started and when it gets marketed to you as new is worth remembering, because it happens with every wave, AI included.
What changed in 2022, and why it's not the same shift as before
The next real inflection point wasn't a company launch, it was ChatGPT going public in November 2022. Before that, automation meant "if this happens, send that email." After it, automation started meaning "write, decide, and adapt without a template at all."
That's a bigger jump than it sounds. Every automation platform from Unica through Marketo worked on rules a human wrote in advance. You built the workflow, the software just executed it faster and at more scale than a person could by hand. AI-driven automation, the kind now built into tools like HubSpot's Breeze, Klaviyo's AI features, and increasingly plain-language AI agents, doesn't need the rule written first. It can look at a situation and generate the decision itself. I've talked about this shift in more detail on the Marketing Leadership Podcast episode where we got into exactly where B2B automation is heading next.
This matters for small businesses specifically because the old barrier to entry, needing a marketing ops person to build workflows in Marketo or Pardot, has mostly gone. You can now build a working AI agent that handles lead follow-up in an afternoon. I wrote a full walkthrough on building AI agents with Claude for exactly this reason, because the tooling caught up to what solo consultants and small teams can afford and manage themselves.
My own experience with this, and why the history matters
I set up my first automated email sequence in 2010, back when Infusionsoft (now Keap) was one of the only affordable options for a small consultancy. It took me nearly three weeks to build a five-email welcome sequence, mostly because the interface was clunky and I was learning the logic of triggers and tags from scratch, one YouTube tutorial at a time.
Fast forward to last year. I rebuilt a similar welcome sequence for a client, five emails, tag-based segmentation, a re-engagement branch for anyone who didn't open email three. It took an afternoon. Same underlying logic as 2010, radically faster to build, because the platforms and the templates around them have matured so much.
Here's the uncomfortable bit most articles on this topic skip over: none of that speed improvement made the emails better. I've audited dozens of small business email accounts over the past two years, and the automation is almost always technically fine and strategically empty. People automate the sending, not the thinking. They set up a nine-email nurture sequence, congratulate themselves on being "automated," and never once ask whether email four is useful to the person receiving it. Marketing automation was never the bottleneck. Having something worth sending was, and still is.
That's not a criticism of the tools. It's a criticism of how they get sold. Every platform from Unica onward has been marketed on the promise of "save time," and every platform does save time on the mechanical part. What none of them do is save you from having nothing to say. If your list only gets 12 percent opens on a good day, more automation just sends that same 12 percent-worthy content faster and to more people.
Why the history changes how you should build your automation in 2026
Once you know automation is 40-plus years old and has already been through three or four "revolutionary" phases, you stop treating every new AI feature announcement as urgent. That's useful. It means you can be selective.
Here's a concrete way to apply that. When I'm setting up automation for a client now, I run this five-step check before building anything:
- List every trigger a customer or lead action could set off (form fill, cart abandon, email open, no purchase in 60 days).
- Cut that list to the three triggers that predict revenue, based on past sales data, not guesswork.
- Build the workflow for those three only, and leave everything else manual for now.
- Set a 90-day review date to check open rates, click rates, and actual replies or purchases against the manual baseline.
- Only add a fourth automated workflow once the first three are outperforming manual outreach by a clear margin, usually at least 20 percent higher engagement in what I've seen.
That's a much smaller list than most automation guides suggest, and it's deliberate. The businesses I've watched succeed with automation over the past 15 years built four or five workflows extremely well. The ones that struggled built forty and maintained none of them.
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If you're starting from nothing, the sequencing matters. Get your email foundation sorted first, because automation without a working list and a clean sending reputation just automates deliverability problems. I put together a full guide on learning email marketing from scratch for exactly this stage, and a comparison of which email marketing service suits small businesses, because the platform choice you make now shapes what automation is even possible later.
Where the data side fits in
One thing that's different in 2026 versus even five years ago is how much automation now depends on understanding your audience before you build a single workflow. Back in the Unica and early Eloqua days, segmentation meant demographic buckets, age, location, job title. Now audience insight tools can tell you what a segment is searching for and worried about this week, which changes what the automated message should say.
I'd rather a small business spend a week understanding their audience with something like an audience insight tool before building automation than spend that same week building beautiful workflows aimed at guesses. The history backs this up too, every acquisition I mentioned earlier, Eloqua, Marketo, ExactTarget, happened because businesses realised sending more, faster, wasn't the differentiator. Knowing who to send it to was.
The part that matters for your business today
Marketing automation began as a way to do the same manual work faster. That's still mostly true, even with AI in the mix. What's changed is the cost of trying. In 1999, building an Eloqua-style nurture sequence needed an enterprise budget and a specialist. In 2026, you can build a working automated agent, test it, and throw it away if it doesn't work, all within a normal working week and often without spending a penny beyond your existing email platform.
That low cost of experimenting is the actual reason "why it matters now." Not because AI is magic, but because the barrier that used to stop small businesses from automating, cost and technical skill, has mostly disappeared. The businesses that win from here won't be the ones who adopted automation first. They'll be the ones who used the history as a filter, kept their workflows few and sharp, and spent the time they saved on the message rather than on adding a sixth automated sequence nobody reads.
And if you're building any of this out visually, remember automation isn't only email. Scheduling and consistency across social channels is its own small automation win, which is why I still recommend people sort out a proper social media scheduling tool before they even think about layering AI content generation on top.
A closely related page: Write for Us Internet Marketing: Internet Marketing Blog Guest Post Guidelines.
I go deeper on this in social media automation tools.
Related reading: did twitter change.
Related: marketing automation: guidelines and how to pitch.
I covered the follow-on problem in How Email Marketing Automation Helps You Drive More Sales.
Frequently asked questions
When did marketing automation officially begin?
Database-driven direct mail marketing in the early 1980s was the first real form of it, followed by Unica's dedicated marketing automation software in 1992 and email-based platforms like Eloqua in 1999. The term became mainstream once HubSpot and Marketo launched in 2006, but the practice is over a decade older than the brand name.
Is marketing automation the same thing as email marketing?
No. Email marketing is one channel automation can run on, but automation also covers SMS, social posting, ad retargeting, CRM tagging, and now AI-driven agents that make decisions rather than just following pre-built rules. Email is simply the channel where automation matured first and fastest.
Why does the history of marketing automation matter for a small business today?
Knowing that automation has already gone through three or four "revolutionary" phases stops you from panicking every time a new AI feature launches. It also shows the pattern that always plays out: businesses that automate a handful of high-value workflows well outperform those that automate everything shallowly.
What's the biggest mistake businesses make with marketing automation now?
They automate the sending before they've fixed the message. A technically perfect nine-email sequence with nothing useful in it still gets ignored, automation only ever speeds up what you already had, good or bad.