Greg Egan✓ Add us as a preferred source on Google
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🔒 Paid proposals held safely in escrow — released only when the work's approved.
Followers
9.5K
Account age
3 yrs
💰 Suggested sponsorship rate
$53 – $86 / sponsored post
Estimated from audience size & typical reach — every deal is negotiable and held in SocialDB escrow.
🎁 Free analysisfor Greg Egan
📊 Post engagement
Recent posts · likes + reposts
Jul 10latest
66
Avg engagement / post
20–62
Typical post (engagement)
0.7%
Engagement vs followers
46/100
Variable reach
Oct 2022
On Mastodon since
Half of recent posts land between 20 and 62 likes + reposts (median 37) — reach is spiky, driven by the occasional post that pops.
🔥 Top post: While the FCC has approved a test satellite from Reflect Orbital · 289 likes + reposts
📊 Activity & format
Posting cadence
6.7 / week
Posts several times a week.
Content mix
Mostly text
Recent: 12 text · 0 image · 0 video.
Follower / following
27×
Follows 345 back. A strong ratio — an audience that follows them, not a follow-for-follow network.
Recent posts
View on Mastodon ↗
Currently taking medication M to treat condition C, which has been primarily manifesting through symptom S ... while symptom S is one of the most prominent side effects of medication M.
All of which is mildly amusing / annoying, since it m…
Australia is planning to replace SMS-based emergency alerts with a new system. There will be a test on Monday 27 July at 2pm AEST.
https://www.ausalert.gov.au/alerts-explained/national-test
“Will my device receive an AusAlert?
AusAlerts wo…
If you’re in the mood for a cheerful podcast on the elaborate mating dances and other prodigious sexual habits of (certain species of) flies:
https://www.abc.net.au/listen/programs/what-the-duck/fly-dance-beach-dune-rhythm-mating-awesome-n…
The Jacobian conjecture is false!
The Jacobian conjecture proposed that if you have a map F:C^n→C^n with polynomials as the components, and the determinant of the matrix of partial derivatives of F is a non-zero constant, then F will have …
This is rather wonderful!
These researchers (including @lana ) describe how neural networks trained to predict the next frame in various kinds of videos will predict colours appearing in spinning black-and-white disks in the same manner as…
Editor-in-Chief of the Science journals:
“Rigorous human checking of AI-generated research papers is creating bottlenecks as publishers strive to maintain the integrity of the scientific record. The challenge is requiring even more human e…
Anything meant to stick to human skin should be rated by its ability to cope with the existence of body hair, on a scale from:
0 for Band-Aid Aquablock: What! You put me on your *calf*? All I can do is fall to the ground.
to:
8 for Leukosi…
Nolan fans admit to selling kidneys to pay for eye surgery to allow them to perceive the Imax 1570 version of “The Odyssey” with the full acuity the director would have wanted.
https://www.theguardian.com/film/2026/jul/14/christopher-nolan…
Lymphorrhoea is extremely disgusting — and comes with the added frisson that it makes me feel like I’ve been transformed into a character from my novel MORPHOTROPHIC, set in an alternative version of Earth where people’s cells sometimes sa…
An interesting interview with former US Energy Secretary Ernest Moniz, a nuclear physicist who was involved in the negotiations leading to the 2015 Iran nuclear agreement. His Iranian counterpart, Ali Akbar Salehi, had studied at MIT when …
In a novel, you can telegraph the importance of an apparently minor character in various subtle ways — the name you give them, some aspect of their appearance, a few words they speak — but there is no real equivalent to a (post-Better-Call…
🐘 Community & instance
Home server
mathstodon.xyz
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
Oct 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 66 views per post.
📤Posts about 6.7× per week.
🕵️ Fake follower check
Estimated81/100
Excellent
Credibility score
97%
Real
Real audience
Low
Fake-follower risk
High
Data confidence
- Est. 97% real, active audience · Low fake-follower risk.
- Engagement (~0.7% of followers engage each post) is around typical for Mastodon.
- Organic base — far more followers than accounts it follows.
- Verified account.
- Established account (3+ years old).
Heuristic estimate from engagement, follower ratios, account age & growth — a screening signal, not a guarantee.
About
I am a science fiction writer and computer programmer.
Latest novel: MORPHOTROPHIC.
Latest collection: SLEEP AND THE SOUL.
Web site: gregegan.net
🔀 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
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Greg Egan has 9,470 followers on Mastodon.
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