🤝
Make a deal with gjm
🔒 Paid proposals held safely in escrow — released only when the work's approved.
Followers
92
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 analysis for gjm
📊 Post engagement
4
Avg engagement / post
4.3%
Engagement vs followers
Nov 2022
On Mastodon since
🔥 Top post: Any experts on tenancy law in the UK reading this? (Almost certa · 12 likes + reposts
📊 Activity & format
Posting cadence
0.25 / week
A lower-frequency account — each post lands with more weight.
Content mix
Mostly text
Recent: 12 text · 0 image · 0 video.
Follower / following
0.8×
Follows 111 back. A more reciprocal / networked account.
Recent posts
View on Mastodon ↗
Those who enjoy such things might want to note that the 2026 International Mathematical Olympiad problems have been published: https://www.imo-official.org/problems/2026/
"I am the most physically and verbally attacked public figure of modern times", says Nigel Farage.
Dude, even if we assume you only mean in the UK, there have been two literal murders of MPs in the last 10 years.
I have just discovered that in the botched renovation of the Lincoln Memorial Reflecting Pool, the company the Trump administration (corruptly?) hired to provide the filtration system that's meant to deal with algae was called ...
Greenwat…
But the most striking aspect of the play at this moment is the terrible topicality given it by the war. We were at peace when I pointed out, by the mouth of Ferrovius, the path of an honest man who finds out, when the trumpet sounds, that …
I see people being impressed that the crew of Artemis II, being closer to the moon than we earth-dwellers, were able to observe the sun being eclipsed by the moon with 54 minutes of totality.
That's nothing! I regularly observe the sun bei…
My employer is making an awful lot of redundancies this year, and I'm one of them.
No condolences necessary -- I'm fine financially and I have ample reason to think no one's been unhappy with the quality of my work so my ego is also OK.
I …
Surely if (mainland) Australia counts as an island then so does Antarctica, which is larger. How can Australia possibly be considered the largest island?
(Antarctica is also more, well, _austral_ than Australia...)
Extraordinary (surface reading of) clue in today's _Guardian_ crossword: Roots of Riemann zeta: only minus evens and half + imaginary included – that’s where roots come from! (7)
[EDITED to add:] To put it differently, this clue has a very…
Well, I discovered why there was no UK government petition asking them to reverse the stupid classification of Palestine Action as a terrorist group.
"We can't accept petitions which call for actions with regard to named individuals, organ…
A happy Stanislav Petrov Day (https://en.wikipedia.org/wiki/1983_Soviet_nuclear_false_alarm_incident) to all who celebrate it!
On this day in 1983, a sensible and brave person responded with common sense to what turned out to be a false ea…
It doesn't look as if following that link shows you any of the actual text, so here it is. (There are three sections; the names I've given them are mine. They are strictly length-limited which is why they don't say very much.)
TITLE: Rever…
🐘 Community & instance
Home server
mathstodon.xyz
Their home server on the fediverse — the instance a creator picks signals the community they belong to.
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 4 views per post.
📤Posts about 0.3× per week.
🛡️ Audience credibility
80/100
Excellent
Credibility score
97%
Real
Real audience
Low
Fake-follower risk
High
Data confidence
- Est. 97% real, active audience · Low fake-follower risk.
- Strong engagement (~4.3% of followers engage each post) — an active, real audience.
- Established account (3+ years old).
Heuristic estimate from engagement, follower ratios, account age & growth — a screening signal, not a guarantee.
About
Mathematician. Reader. Fiftysomething. Cruciverbalist. Not very good at thinking of witty things to put in short bios.
I wasn't on Twitter before that nice Mr Musk suggested that everyone go to Mastodon, and I don't expect to be very active here, but who knows?
🔀 Audience overlap
EstimatedEstimated shared audience with similar creators — useful for avoiding overlap (or doubling down) when planning a campaign.
E. Schneider 🇪🇺
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Wojtek Gwiazda
18%
Toffer D Brutechild HSD-SC
14%
Fédé française de Calvinball
11%
Jim Mock
10%
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