David M. Kelly✓ Add us as a preferred source on Google
🔄 Data last refreshed 1 day ago
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Followers
216
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 David M. Kelly
Known for
19 views
It's always nice to finally hold your latest release in your hands (or paws). Bingo approves too! "A Crimson Void" launches on the 16th June. #newrelease #books #scifi #reading #dogs
9 views
Scientists have cracked 3D printing tungsten carbide-one of the hardest metals on Earth. In my novels, Joe Ballen is chief engineer on a 3D printed O'Neill cylinder. Two centuries later, habitats like it are standard across dozens of star systems. Turns out the future I've been writing is arriving ahead of schedule — again. https://tinyurl.com/3dpmetal #science #engineering #sciencefiction #scifi
8 views
Cosmic voids may be driving the universe's expansion through dark energy. Even emptiness has power. Funny, I've been thinking about voids a lot recently. My novel "A Crimson Void" is out this spring. #science #space #scifi #writing #cosmology ziply.pk/cosmicvoids
6 views
DraftDetective - Free SmartEdit-Style Editing Macros for LibreOffice Writer https://davidmkelly.com/draftdetective/ #linux #tools #free #editing #writing #windows #author #libreoffice
📊 Post engagement
Recent posts · likes + reposts
Mar 16latest
5
Avg engagement / post
3–6
Typical post (engagement)
2.3%
Engagement vs followers
58/100
Consistent reach
Nov 2022
On Mastodon since
Half of recent posts land between 3 and 6 likes + reposts (median 3) — a dependable floor a sponsored post can count on.
🔥 Top post: It's always nice to finally hold your latest release in your han · 19 likes + reposts
📊 Activity & format
Posting cadence
0.69 / week
A lower-frequency account — each post lands with more weight.
Content mix
Mostly images
Recent: 0 text · 12 image · 0 video.
Follower / following
1.5×
Follows 144 back. A more reciprocal / networked account.
Recent posts
View on Mastodon ↗
🔥 Top post
It's always nice to finally hold your latest release in your hands (or paws). Bingo approves too! "A Crimson Void" launches on the 16th June. #newrelease #books #scifi #reading #dogs
The route Draeger is expected to follow in A Crimson Void... he doesn't. This is from the 3D starmap I built to accompany the books. Join my newsletter for a chance to name a star in it.
https://davidmkelly.com/a-crimson-void/ #SciFi #Scie…
Some men are defined by a single decision made in the heat of the moment. For Draeger, it cost him his career, his freedom, and three years of his life - and now someone desperate enough is handing him command of an obsolete ship, a missio…
DraftDetective - Free SmartEdit-Style Editing Macros for LibreOffice Writer https://davidmkelly.com/draftdetective/ #linux #tools #free #editing #writing #windows #author #libreoffice
A supervolcano nearly wiped out humanity 74,000 years ago, but humans did something incredible https://www.sciencedaily.com/releases/2026/05/260510234711.htm
Yeah, they reacted like... humans...🙄 The bigotry of low expectations routinely a…
Next, the Brundlefly! 😆
https://www.sciencedaily.com/releases/2026/04/260429102030.htm #science #physics #quantum
Targeted microbes to fight gum disease without killing beneficial bacteria? My Joe Ballen novels have a similar nanomite tooth scrubber called DentiKleen. Should I be worried my dentist is now living in my fiction? 🙂 #SciFi #science #healt…
Researchers propose a bold twist to dark matter. It may not be a single particle at all, but a mix of two different ones that interact with each other to produce detectable signals. #science #physics #astrophysics https://www.sciencedaily…
In 2013 I wrote a cyborg character in "The Three Lives of Mary" (https://viewbook.at/TLOM) who could reverse her joints so she never had to turn around. Boston Dynamics just built exactly that. Amazing to see reality catching up! #SciFi #w…
This is why I love physics-reality keeps finding ways to be stranger than anything we'd think to invent.
A black hole and neutron star just collided in a strange oval orbit
https://tinyurl.com/4xu47pkh
#science #physics #astrophysics #blac…
Scientists have cracked 3D printing tungsten carbide-one of the hardest metals on Earth. In my novels, Joe Ballen is chief engineer on a 3D printed O'Neill cylinder. Two centuries later, habitats like it are standard across dozens of star …
Cosmic voids may be driving the universe's expansion through dark energy. Even emptiness has power. Funny, I've been thinking about voids a lot recently. My novel "A Crimson Void" is out this spring. #science #space #scifi #writing #cosmol…
🐘 Community & instance
Home server
mstdn.ca
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 5 views per post.
📤Posts about 0.7× per week.
📍Based in Canada.
🕵️ Fake follower check
Estimated75/100
Good
Credibility score
92%
Real
Real audience
Low
Fake-follower risk
High
Data confidence
- Est. 92% real, active audience · Low fake-follower risk.
- Engagement (~2.3% of followers engage each post) is around typical for Mastodon.
- Verified account.
- Established account (3+ years old).
Heuristic estimate from engagement, follower ratios, account age & growth — a screening signal, not a guarantee.
💚 Brand affinity
EstimatedBrands David M. Kelly's audience is most likely to respond to — from detected sponsorships in this niche.
About
🇨🇦 Author of #scifi thrillers with engaging characters, snarky humor, and (mostly!) plausible science. www.books2read.com/David-M-Kelly
“What we obtain too cheap, we esteem too lightly"
📸 Gallery
🔀 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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How many followers does David M. Kelly have?
David M. Kelly has 216 followers on Mastodon.
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