Mark Harris

Mastodon @meharris@freeradical.zone

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🔒 Paid proposals held safely in escrow — released only when the work's approved.

Followers

925

Account age

3 yrs

🧰 Free analysis for Mark Harris

🕵️ Fake follower check 📊 Engagement rate 💰 What they charge

Known for

8 views And here's the first official photo of Pathfinder 1 in the wild

📊 Post engagement

Avg engagement / post

0.5%

Engagement vs followers

Oct 2022

On Mastodon since

🔥 Top post: The Guardian just ran an obituary for my father, the photographe · 9 likes + reposts

📊 Activity & format

Posting cadence

0.36 / week

A lower-frequency account — each post lands with more weight.

Content mix

Mostly text

Recent: 11 text · 1 image · 0 video.

Follower / following

2.7×

Follows 347 back. A more reciprocal / networked account.

Recent posts

View on Mastodon ↗

🔥 Top post The Guardian just ran an obituary for my father, the photographer John Benton-Harris, who died recently. https://www.theguardian.com/artanddesign/2023/oct/23/john-benton-harris-obituary ★ 9

New from me: The OceanGate Files at Wired magazine - tens of thousands of emails, documents and photos that chart the early days of the submersible company. It's a long read but lots of new info here! https://www.wired.com/story/titan-subm… ★ 1 New by me for New Scientist: SpaceX aims to let astronauts avoid a radio blackout during re-entry. A Falcon 9 mission this year will have a Starlink terminal on board, testing its ability to communicate at orbital velocities & one day, dur… ★ 4 New by me at IEEE Spectrum: how tech is increasingly automating the January 6th investigations https://spectrum.ieee.org/capitol-riot-prosecutions-technology ★ 4 New by me at Anthropocene: Is tackling climate loss and damage as urgent as drawing down carbon? https://www.anthropocenemagazine.org/2023/12/is-tackling-loss-and-damage-as-urgent-as-drawing-down-carbon/ New by me at IEEE Spectrum: Amazon Is Firing Up Its Space Lasers. A look at the growing use of optical interlinks for internet satellite megaconstellations in LEO. https://spectrum.ieee.org/amazon-kuiper-satellites ★ 3 I'll be at AGU this Thurs and Fri with my Anthropocene Magazine hat on, if anyone wants to say hi. Also check out our Climate Parables performance on Thursday evening, including a chat with Kim Stanley Robinson and Oliver Morton. Info here… ★ 1

And here's the first official photo of Pathfinder 1 in the wild ★ 8 SCOOP! LTA Research, the airship start-up funded by Sergey Brin, begins flight testing TODAY of the world’s largest aircraft Pathfinder 1. TechCrunch has an exclusive interview with LTA CEO. Photo coming soon https://techcrunch.com/2023/11… ★ 7 New by me for IEEE Spectrum : another retinal implant company goes broke. Are high-tech bionic eyes just too difficult to bring to market? https://spectrum.ieee.org/retina-implant-pixium-sa-receivership ★ 6 New by me: LTA Research's huge airship gets FAA certificate to fly. https://spectrum.ieee.org/lta-airship-faa-clearance ★ 7 Varda Space's prototype space factory looks to be stuck on orbit for at least the rest of the year. New by me for IEEE Spectrum: https://spectrum.ieee.org/space-manufacturing-varda ★ 2

🐘 Community & instance

Home server

freeradical.zone

Their home server on the fediverse — the instance a creator picks signals the community they belong to.

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 5 views per post.

📤Posts about 0.4× per week.

🛡️ Audience credibility

66/100

Good Credibility score

89%

Real Real audience

Low Fake-follower risk

High Data confidence

Est. 89% real, active audience · Low fake-follower risk.
Engagement (~0.5% 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

Estimated

Brands Mark Harris's audience is most likely to respond to — from detected sponsorships in this niche.

TechCrunch

The Guardian

About

Senior Editor at Anthropocene Magazine. Freelance sci/tech investigations for Wired, MIT Technology Review, IEEE Spectrum, TechCrunch and others. DM for email/Signal!