Duco Janssen

Building The Authority Index - Signal over noise

[Duco Janssen @ducoluno]

We're working on a project to index the world's human experts across every topic.

Why? As the volume of news, opinions, and AI generated content explodes, finding verified, trustworthy human authority is becoming a massive challenge.

We are looking for early testers to try the platform and give us feedback. We'd love to connect with:
- Journalists looking for vetted sources on tight deadlines.
- Innovation/Tech Leads at news and media organizations.
- Research professionals who rely on timely, bulletproof data.

Want early access? Just reply below or message me and I'll setup a quick chat.
#AI #ArtificialIntelligence #Journalism #OSINT #FactChecking #OpenData #Research

[Thomas Slabbers @Thomasslabbers]

Introducing: Marketing on Autopilot.

If you have a good product, but not enough users, distribution is the problem.

AI agents have been fun, but did they fix your marketing problem?

- Launch campaigns on Facebook, Instagram, LinkedIn, and X, in under 60 seconds
- Reach relevant target audiences built with data from 3B+ social media accounts
- Sync all your content across platforms and create posts with AI that you actually want to use.

... and more

Reply with "Autopilot" and get elevated access to all features for free!

[OnsOranje @OnsOranje]

DALLAS = ORANJE! 🧡🫨

#NothingLikeOranje #FIFAWorldCup #NEDJPN

[Duco Janssen @ducoluno]

I’m very curious to see the outcome of the Elon vs. OpenAI case. Whatever the result may be, it will likely set an important precedent.

But an even bigger and more challenging issue is how many organizations operate under the label of a non-profit while effectively functioning (indirectly) as “for-profit” entities. This is even more problematic than openly transitioning to a for-profit model.

In too many situations, charities are (mis)used as vehicles for indirectly transferring money, influence, or power under the guise of serving public interests, often while promoting specific agendas.

Maybe exposing this will not be the hardest part, but rather getting people to understand what is happening — because even when confronted with facts, many simply do not want to see it.

[Duco Janssen @ducoluno]

A lot of that data is anonymous, weakly verified, and lacks clear signals of authority.

We’re training systems that influence decisions… without consistently knowing who wrote the information or why we should trust it.

If authorship and credibility aren’t part of the equation, you’re not building intelligence — you’re scaling uncertainty.

[Duco Janssen @ducoluno]

Everyone’s obsessed with “high-quality data” for LLMs and agents.

But here’s the uncomfortable truth:

[Duco Janssen @ducoluno]

An Authority Index might be a step in that direction.

[Duco Janssen @ducoluno]

If your LLM or agent treats all information as equally credible, it won’t just fail — it will fail with confidence. The real question is: how does it learn to separate signal from noise?

[Duco Janssen @ducoluno]

Hallucinations happen when models lack a sense of authority. If you guide them with the right signals, you don’t just reduce errors — you improve decision-making.

[Thomas Slabbers @Thomasslabbers]

X can do it!

Ignore the Pixel: Meta’s advantage is fading as cookies decline. Don’t play their game.

Leverage your strengt: X’s unfair advantage is high intent, real time human interaction.

Critical: Semantic matching isn't enough. An ad can match the topic but miss the buyer.

To win, you need:
1) Ad relevance for the user (Context)
2) Audience relevance for the advertiser (Qualification)

X is one of the few platforms where this can be done with just on-platform data, and become one of the most relevant and engaging ad platforms out there.

[TeamNL🇳🇱 @TeamNLtweets]

OLYMPISCH KAMPIOEN OP DE KILOMETER 🔥

#TeamNL | #MilanoCortina2026

[Duco Janssen @ducoluno]

In the tech/AI race, many companies keep adding layers — features, tools, products — often on top of a weak core. Over time, complexity grows and control fades.

We take a different approach. We focus on getting the foundation right continuously.

Because a product is only as strong as what it’s built on. From there, we build without compromising control. Every decision, every layer, connected back to the core.

Adding products/features will become easy and very fast.

[Duco Janssen @ducoluno]

Your best customer might buy you. Or copy you. If they copy you, they’re rebuilding yesterday while you’re already building tomorrow.

[Duco Janssen @ducoluno]

This is me all the time when trying to explain (with the best intentions) how we can help X/xAI teams with their products😅

[Nikita Bier @nikitabier]

How it felt when I had under a thousand followers

[Robin @xdNiBoR]

https://t.co/bgpTHVc5MO

Topic specific timelines are a much needed feature! And X literally has people talking about EVERY single topic possible, so it's totally doable to make this.

In fact, this was basically the project we made at the xAI Grokathon in London last week!

X could make timelines for everyone. From bird watchers to robotic experts. X has it all.

[Robin @xdNiBoR]

Yes! We also think that this is the way to solve onboarding. X truly has people for EVERY SINGLE niche. It's crazy when you look at the actual data.

But doing this manually just can't be a good use of time, and especially not when a partner already has this, scaled to every single country (and many cities even) with over 20k topics. Nikita, let us help make X onboarding the best onboarding there is! 🙏

[Duco Janssen @ducoluno]

This post and the replies perfectly illustrate what goes wrong with X advertising, largely because X/Grok’s system optimizes for the wrong things. It prioritizes click behavior instead of connecting a real, relevant audience to the advertiser/product. The fix is simple. Very simple. I genuinely believe this can become the most relevant platform for advertisers when done right.

We have multiple conversations every day with advertisers running into these exact issues. One of the biggest drivers of low-quality (often bot) traffic is the “optimize targeting” option. When enabled, X effectively opens delivery to almost any “user”.

The result is a self-fulfilling loop: low-value clicks get optimized for, which trains the system to deliver even more low-value clicks.

The solution is simple: start with the core core audience, then let Grok optimize on top of that. When the system is trained on the right inputs, advertisers get real results.

We’ve spent the past 12 years understanding these users, and we know this will work.

[Daniel Vassallo @dvassallo]

I don't have a ton of experience with online ads, but I have some. And unfortunately X is just terrible.

Recently I had $8K in X ad credits and used them up targeting my followers. 600K impressions, 6.5K clicks, and only 3 conversions. Despite exclusively targeting my own followers, nobody I know saw the ad, and the comments under the ad were all from random people who didn't follow me or follow anyone I know. At the same time, I spent $700 on a different platform, running the same ad, and made 8 sales from just 55 clicks!

And the cherry on the cake is that when you run an ad on X, you get mass blocked. Since ads are basically just promoted posts, and since the targeting mechanism is completely broken, your ads get shown to a lot of random people and they express their frustration by blocking you. So your account gets permanently penalized for trying to send money to this app.

[Duco Janssen @ducoluno]

"Every user on X has a level of authority within certain topics, regions, and niches. However, the current model doesn't have a direct "Authority Index" to look at. It treats all semantic relevance as equal. It optimizes for the Probability of a Click rather than the Value of the Information."

[Thomas Slabbers @Thomasslabbers]

https://t.co/xBYIucmSfy