Petter Holme✓ Add us as a preferred source on Google
🔄 Data last refreshed 3 days ago
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Make a deal with Petter Holme
🔒 Paid proposals held safely in escrow — released only when the work's approved.
Followers
645
Account age
3 yrs
💰 Suggested sponsorship rate
$40 – $65 / sponsored post
Estimated from audience size & typical reach — every deal is negotiable and held in SocialDB escrow.
🎁 Free analysisfor Petter Holme
📊 Post engagement
Recent posts · likes + reposts
May 7latest
3
Avg engagement / post
2–4
Typical post (engagement)
0.5%
Engagement vs followers
76/100
Very consistent reach
Nov 2022
On Mastodon since
Half of recent posts land between 2 and 4 likes + reposts (median 2) — a dependable floor a sponsored post can count on.
🔥 Top post: (a bit late, but) this is a preprint/project I really have enjoy · 5 likes + reposts
📊 Activity & format
Posting cadence
0.18 / week
A lower-frequency account — each post lands with more weight.
Content mix
Mostly text
Recent: 11 text · 1 image · 0 video.
Follower / following
2.5×
Follows 260 back. A more reciprocal / networked account.
Recent posts
View on Mastodon ↗
A C90 mixtape for the best of seasons 🎶 Just what you didn't know you needed as mocktails and vacation give way to mist and contemplation
https://open.spotify.com/playlist/3rgl0b5Ns6QzFQSpMFheiW?si=89b71e90b3004b19
New season ahead! New mixtape for your never-ending summer nights 💽♫
https://open.spotify.com/playlist/0zmt1cT0EKmELYQ0peyzin?si=79e62ff321b24d03
one season follows another . . my mix-tape for the spring 2026. 90 minutes, to fit your BASF:
https://open.spotify.com/playlist/02nFLie97RG6qc0ryEFpCY?si=7fb9efc402474a13
It's been a while since the last blog post, but here is a new one. Maybe the most ambitious ever 😄
We feel that we understand things when certain patterns of explanations are in place. If reality doesn't follow those patterns, our understa…
Time for another mixtape to get you into that wintery mood. 🎶 A cassette-friendly 90 min, of course.
https://open.spotify.com/playlist/15sfyIxRV5S67ZJFvxwZKb?si=23264f8c58804014
The main theme is how entwined we are with the technology that we use to study ourselves—how ready we are to accept a replica of ourselves and our environment as a token of scientific insight.
Another theme is the revolutionary change LLM …
arXiv alert 📄🚨
https://arxiv.org/abs/2510.05743
This was such a fun paper to write! The development leading up to today’s social/behavioral science with AI agents. The history itself is a roller-coaster ride connecting many of the big them…
New paper in NHB 📄🚨
We ran extensive experiments to show that making the rules of some canonical economic games looser makes people more cooperative
https://www.nature.com/articles/s41562-025-02289-0
A bit early, but who could wait? A C90 mixtape for the best of seasons. 🎶
https://open.spotify.com/playlist/1rSUHMyticZVygVsIEGsdM?si=71bb8c9b303741b2
The Nordic trick—without two-digit temperatures (C) in the forecast, let's define summer as a state of mind. Which, of course, needs a mixtape: 🎶
https://open.spotify.com/playlist/6CgTIoJhQTkHaFiqFZt1vL?si=9d3dfbdd29fd42ae
New blog post! 📯⭐
About how our love for symmetry can stop us from seeing the truth.
https://petterhol.me/2025/05/07/symmetric-orderly-wrong/
arXiv alert 📄🚨
https://arxiv.org/abs/2510.05743
This was such a fun paper to write! The development leading up to today’s social/behavioral science with AI agents. The history itself is a roller-coaster ride connecting many of the big them…
New paper in NHB 📄🚨
We ran extensive experiments to show that making the rules of some canonical economic games looser makes people more cooperative
https://www.nature.com/articles/s41562-025-02289-0
A bit early, but who could wait? A C90 mixtape for the best of seasons. 🎶
https://open.spotify.com/playlist/1rSUHMyticZVygVsIEGsdM?si=71bb8c9b303741b2
The Nordic trick—without two-digit temperatures (C) in the forecast, let's define summer as a state of mind. Which, of course, needs a mixtape: 🎶
https://open.spotify.com/playlist/6CgTIoJhQTkHaFiqFZt1vL?si=9d3dfbdd29fd42ae
New blog post! 📯⭐
About how our love for symmetry can stop us from seeing the truth.
https://petterhol.me/2025/05/07/symmetric-orderly-wrong/
🐘 Community & instance
Home server
datasci.social
Their home server on the fediverse — the instance a creator picks signals the community they belong to.
✅ Link-verified
Verified link
Proved ownership of a website linked on their profile — Mastodon's green-check verification, a real identity signal rather than a paid badge.
On Mastodon since
Nov 2022
Joined in the Twitter-exodus wave of late 2022 — part of the migration that made Mastodon a real destination.
💡 Facts
🗓️Joined Mastodon in 2022 — 3 years ago.
👁️Averages 3 views per post.
📤Posts about 0.2× per week.
🕵️ Fake follower check
Estimated52/100
Fair
Credibility score
76%
Mixed
Real audience
Medium
Fake-follower risk
High
Data confidence
- Est. 76% real, active audience · Medium fake-follower risk.
- Low engagement (~0.5% of followers engage each post) — a sign of an inflated or inactive audience.
- Verified account.
- Established account (3+ years old).
Heuristic estimate from engagement, follower ratios, account age & growth — a screening signal, not a guarantee.
About
Scandinasian professor of network science
🔀 Audience overlap
EstimatedEstimated shared audience with similar creators — useful for avoiding overlap (or doubling down) when planning a campaign.
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Frequently asked questions
How much does Petter Holme charge for a sponsorship?
Petter Holme hasn't published fixed prices yet. Send a proposal through SocialDB and agree terms directly — your payment is held in escrow until the work is approved.
How do I contact Petter Holme for a brand deal or collaboration?
Send a paid deal or collab request right here on SocialDB — we notify Petter Holme, and once they accept, your payment is held safely in escrow and released when the work is approved. You don't need to track down an email.
How many followers does Petter Holme have?
Petter Holme has 645 followers on Mastodon.
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