Monthly research for product teams

Thousands of voices. Three things worth your attention.

Posts and reviews pile up faster than any PM can read. Cairn reads what your customers say in public, interviews your own team, and weighs it all together — with the evidence behind every pattern. Every month, in a five-minute read.

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Sample report · Road Bike

01

Shorter riders describe the new cockpit as stretched out

Riders 5'10" and under consistently report the third-generation cockpit feels "pushed forward." The complaint surfaces across 12 threads, concentrated in r/cycling and r/Velo, and several authors describe measuring the reach against a 2022 frame.

"I measured it against my old frame — a full centimetre longer, and I feel every bit of it by mile forty."
r/cyclingr/Velor/bicyclingTeam: conflicting
41 signals · 23 authors4 directions & paths

The problem

Feedback is everywhere. Insight is nowhere.

Your customers talk on Reddit, in review sites, in forums, on social. Your team holds even more in their heads. It's too much to track, let alone connect, so the signal that should shape your roadmap stays scattered, and you find out what mattered too late.

How it works

01 · Listen

Point Cairn at your product

It gathers what customers are actually saying across Reddit, review sites, and forums — and captures what your team knows through guided employee interviews.

02 · Synthesize

Overwhelming data becomes a short report

Once a month, Cairn distills the conversation into an opportunity report: the recurring patterns, ranked, each grounded in the exact posts behind it.

03 · Investigate

Start digging in the right place

Every pattern comes with multiple potential paths forward to explore and a grounded chat, so you begin with the evidence already in hand. Cairn lays out the options — the decision stays with you.

The opportunity report

A research artifact, not a dashboard.

Every voice, read together

Customer conversations and your team's own knowledge land in one cited body of evidence and get read as a whole, not summarized channel by channel. That's how Cairn catches the pattern that looks minor in any one place but is loud in aggregate, and the spots where your team and your customers disagree.

Patterns, with proof

Every opportunity names what customers say, who's saying it, and where, cited to the real posts behind it, so you can show your team where it came from.

Directions, not verdicts

For each pattern, potential paths forward you could explore — grounded in your customers' own words, never prescriptive — plus a way to pressure-test the pattern inside your own team.

A chat that stays honest

Ask questions about any finding and get answers grounded in the evidence, with citations. It helps you investigate; it never tells you what to do.

Cairn surfaces the pattern and the paths. The judgment stays yours.

The monthly ritual

Open Cairn when the report lands.

Every month a fresh report lands, and a five-minute read keeps you current instead of a quarterly scramble. Between reports, collection keeps running weekly, so chat answers from what's new.

What changed

Patterns that shifted since the last report, including the ones that stopped. Absence is news too.

What's emerging

Early signals that haven't become patterns yet, labeled honestly as exactly that.

What held steady

The findings that keep recurring, so you can see what persists rather than re-reading it cold.

On the roadmap

Where Cairn is headed.

What's live today, and where this is going.

Now available

Beyond Reddit

Review sites and forums as sources, with Cairn suggesting where else your customers gather.

Now available

What your team says

Bring internal knowledge alongside external signal, each opportunity flagged where your team agrees, disagrees, or hasn't weighed in.

Now available

Employee interviews

Send a link that opens an AI-guided interview with your own team, and fold what they know into the same reports.

Coming soon

Customer interviews

The same guided interviews, opened to your customers — talk to them at scale, with the results cited in the same reports.

Coming soon

Blind-spot detection

Cairn flags where one channel is loud and another is silent, so you see the gaps, not just the noise.

Coming soon

Ready to share

Export any opportunity to a slide for the stakeholder conversation.

Coming soon

Competitor analysis

Track your competitors' products the same way you track your own — Cairn reads what their customers say and surfaces strengths and weaknesses you can act on.

Who it's for

Built for PMs who make real things.

Cairn is for product managers at small and mid-sized companies that sell physical products, where a scattered signal costs a full product cycle to fix. It started in the outdoor world, cycling and gear, and grows from there.

And it isn't only for products. Point Cairn at an emerging trend — 32-inch bike wheels, say — and it tracks that conversation exactly the way it tracks a product, so you see a shift building while there's still time to act on it.

Early word

Reserved for a customer quote
Reserved for a customer quote

Mark the path forward.

Point Cairn at your product and get your first report.

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