EnglishAccount age: 3 years (joined July 2023)
Mark Sumner 🌒 Bluesky stats, updated continuously. @devilstower.bsky.social has 19,936 followers and 4,203 posts on Bluesky. Account age: 3 years (joined July 2023).
Followers
20K
Growth (7d)
+30
Following
514
Posts
4.2K~3.7/day
Influence
148
Follower growth
2026-06-10+252 over 72 days2026-09-01
Bio
Author, journalist, old guy. Science, climate, space, transportation, energy, and how human selection drives the evolution of all of the above. www.unchartedblue.com
Notable followers
The biggest accounts in our directory following @devilstower.bsky.social.
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Mark Sumner 🌒 on Bluesky - frequently asked questions
- How many followers does Mark Sumner 🌒 have on Bluesky?
- Mark Sumner 🌒 (@devilstower.bsky.social) has 19,936 followers on Bluesky. It gained 30 new followers in the last 7 days. The count is refreshed continuously from the public AT Protocol.
- When did Mark Sumner 🌒 join Bluesky, and how old is the account?
- Mark Sumner 🌒 joined Bluesky in July 2023. The @devilstower.bsky.social account is 3 years old. Searches for Mark Sumner 🌒 age often mean a personal age, which we do not publish. The figure here is the account age only.
- How many posts has Mark Sumner 🌒 published?
- Mark Sumner 🌒 has published 4,203 posts on Bluesky. That is about 3.7 posts per day over the life of the account.
- Is Mark Sumner 🌒 verified on Bluesky?
- @devilstower.bsky.social does not currently show a Bluesky verification. Many real accounts on Bluesky are unverified, since verification is still rolling out.
- What does Mark Sumner 🌒 post about?
- Mark Sumner 🌒 is classified under Science in our directory. Bio: "Author, journalist, old guy. Science, climate, space, transportation, energy, and how human selection drives the evolution of all of the above. www.unchartedblue.com".