Don_Rubiel Add us as a preferred source on Google
🔄 Data last refreshed 7 days ago
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🔒 Paid proposals held safely in escrow — released only when the work's approved.
Followers
112
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 Don_Rubiel
📊 Post engagement
Recent posts · likes + reposts
Dec 3latest
18
Avg engagement / post
2–4
Typical post (engagement)
16.1%
Engagement vs followers
14/100
Spiky reach
Nov 2022
On Mastodon since
Half of recent posts land between 2 and 4 likes + reposts (median 3) — reach is spiky, driven by the occasional post that pops.
🔥 Top post: Statement by the African Mathematical Union: https://www.afrimat · 93 likes + reposts
📊 Activity & format
Posting cadence
0.37 / week
A lower-frequency account — each post lands with more weight.
Content mix
Mostly text
Recent: 12 text · 0 image · 0 video.
Follower / following
0.4×
Follows 310 back. A more reciprocal / networked account.
Recent posts
View on Mastodon ↗
Fútbol is the name when there are rules, soccer is when Trump decides the rules https://www.nytimes.com/2026/07/05/us/trump-fifa-balogun-world-cup.html
Dear @tao assuming that in some years AI can discover interesting problems, and that AI can also solve some of those problems, then, the new version of "paper mills" will sell (in the black market) finalized products to mathematicians. W…
Thousands of mathematicians to boycott US Fields Medal event
https://www.timeshighereducation.com/news/thousands-mathematicians-boycott-us-fields-medal-event #ICM2026 #cancelICM #ICM
"Grave Concern About ICM in USA in 2026" Letter to the editor, at the Notices of the AMS by Hendrik De Bie https://www.ams.org/journals/notices/202604/202604FullIssue-optimized.pdf at the Notices of the AMS by Hendrik De Bie https://www.am…
she kept hearing the same thing from them: that ICE officers are paid a bonus every time they detain someone. “Individual ICE agents get money per head that they detain – the guards told me that,” https://www.theguardian.com/us-news/2026/f…
"Tens of thousands of fans cancelled their tickets to the 2026 World Cup over the weekend amid safety fears, political protests, and human rights concerns in the U.S"
https://www.ticketnews.com/2026/01/nearly-17000-fans-cancel-2026-world-c…
Suddenly, for the last few days my facebook's page had a lot of right wing advertisement. And then the president of Venezuela was replaced by USA. I wonder if there is a way to measure this kind of activities in facebook.
So I am traveling and I want to transfer money from my #Venmo to my bank account. My old phone dies and I get a new phone. Then:
Any log in attempt requires me to send a code to my old phone.
I can only call Venmo.
I actually called and af…
The website https://www.blackangeltapes.net is the website that sold the tapes that appeared on the horror movie "Bring Her Back"...
In the latest version we added experiments with datasets Mackey-Glass and Lorenz 96 with 100 variables.
This year I went to two international conferences that had WiFi problems, but they have problems for completely different reasons.
The Abdus Salam International Conference on Mathematical Sciences and Emerging Technologies, hosted in Lahor…
🐘 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 18 views per post.
📤Posts about 0.4× per week.
🕵️ Fake follower check
Estimated66/100
Good
Credibility score
89%
Real
Real audience
Low
Fake-follower risk
High
Data confidence
- Est. 89% real, active audience · Low fake-follower risk.
- Engagement (~0.2× of followers engage each post) is around typical for Mastodon.
- Established account (3+ years old).
Heuristic estimate from engagement, follower ratios, account age & growth — a screening signal, not a guarantee.
💚 Brand affinity
EstimatedBrands Don_Rubiel's audience is most likely to respond to — from detected sponsorships in this niche.
About
ML E-Book Coordinator, Mathematician, Activist, Adaptation 2017 Civil Tech Co Winner
🔀 Audience overlap
EstimatedEstimated shared audience with similar creators — useful for avoiding overlap (or doubling down) when planning a campaign.
socialspace :verified:
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Jen Ang
18%
Daniel Kelly Music
16%
Rost Glukhov
15%
Andrew Flenniken Photography
13%
杜望
12%
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socialspace :verified:
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