I sat in on a product demo that had nothing to do with marketing, officially. I was there to understand the product better before writing the next round of ad copy. Twenty minutes in, it was obvious the ads and the product were describing two different things.

Marketing and product often describe two different things

This isn't usually anyone's fault in particular. The landing page gets written once, early, often before the product has finished settling into what it actually does well. The product keeps evolving — a feature gets deprioritised, another gets emphasised because customers keep asking for it, the team learns which use case actually lands. Nobody goes back and asks whether the page still matches what the sales team demos every week.

So the gap grows slowly, a few percentage points of misalignment at a time, until one day the page is confidently describing a product that used to exist.

What the gap actually costs

It's not just an accuracy problem. It's a targeting problem wearing a copywriting disguise. Ad targeting and SEO keywords are built on top of whatever the page says — so if the page is aimed slightly off, every dollar of media spend behind it is also aimed slightly off, at scale, automatically. You end up paying to attract people who want the version of the product described on the page, not the version that actually ships.

That's exactly what happened on a SaaS campaign I worked on. The campaign was generating a steady stream of leads. Sales had quietly stopped trusting most of them, because the people booking calls were solving a problem adjacent to, but not the same as, the one the product actually solved. I've written up the full details as a case study — the short version is that watching a real demo surfaced the mismatch faster than any amount of A/B testing on the ad copy would have.

The demo as the source of truth

A product demo, watched properly, tells you three things a spec sheet won't:

  • What the sales team actually leads with, versus what's in the official positioning doc
  • Which questions prospects ask that the current page never answers
  • Where the "aha" moment in the demo happens, and whether the ad copy gets anyone to that moment at all

None of that shows up in a features list. It shows up in the room, or on the call, when a real prospect reacts to the product in real time.

What to do with what you learn

If a demo reveals that the page is aimed at the wrong angle, the instinct is often to keep the campaign running and "improve conversion rate" with landing-page tweaks. That treats the symptom. The more useful move is to rewrite the positioning and keyword targeting around what the demo actually showed, then rebuild the campaign on top of that — in roughly that order, not the reverse.

This is why watching a demo, or sitting in on a real sales call, is one of the first things I do before touching keywords or ad copy on a new engagement. It's cheaper to catch a mismatch in week one than to discover it after three months of spend.

A likely question: isn't this just discovery, and don't agencies already do this?

In theory, yes. In practice, discovery calls often happen with the marketing stakeholder, not with an actual live demo to a prospect — so the positioning gets shaped by how the company describes itself internally, not by what a real buyer sees and reacts to. Those are frequently not the same thing.