Silicon Underground (Dave F)✓ Add us as a preferred source on Google
🔄 Data last refreshed 5 days ago
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🔒 Paid proposals held safely in escrow — released only when the work's approved.
Followers
587
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 Silicon Underground (Dave F)
📊 Post engagement
Recent posts · likes + reposts
Jul 29latest
5
Avg engagement / post
4–6
Typical post (engagement)
0.9%
Engagement vs followers
88/100
Very consistent reach
Nov 2022
On Mastodon since
Half of recent posts land between 4 and 6 likes + reposts (median 5) — a dependable floor a sponsored post can count on.
🔥 Top post: It was 29 years ago today that Microsoft released Windows NT 4.0 · 8 likes + reposts
📊 Activity & format
Posting cadence
0.48 / week
A lower-frequency account — each post lands with more weight.
Content mix
Mostly text
Recent: 12 text · 0 image · 0 video.
Follower / following
1.4×
Follows 434 back. A more reciprocal / networked account.
Recent posts
View on Mastodon ↗
13 years ago this week, Intel stopped making motherboards after years as an industry leader. This blog post explores why. #retrocomputing #vintagecomputing. https://dfarq.homeip.net/why-intel-stopped-making-motherboards/
I hear a lot about IBM's "Death Star" hard drives, the infamous 75GXP. The thing is, the 75GXP was a fluke. Other IBM hard drives were (and are) outstanding. In this blog post, we explore what happened to IBM's hard drive business. #retroc…
The Fairchild Channel F was the first cartridge-based game console. Jerry Lawson, the engineer who made it all work, was born 85 years ago this week. #retrogaming https://dfarq.homeip.net/fairchild-channel-f-first-of-its-kind/
The Magnavox Odyssey 2 is the forgotten second-generation video game console. Before Colecovision came along, it was the third most successful console of its era behind Atari and Mattel. Its secret: Appeal to teenage audiences. It launched…
27 years ago, AOL paid $4.2 billion for the hollowed out shell of Netscape. In this blog post, we explore what they were thinking. They had reasons, even if the reasons weren't great. #retrocomputing #vintagecomputing https://dfarq.homeip.…
Microsoft Windows 1.0 came out 40 years ago today. Problem is, it was two years late, which doomed the flagship computer it was going to run on. And that early bet on Windows sunk Tandy computers in the long run. #retrocomputing #vintageco…
The Tandy 1000, first released 41 years ago this month, was a IBM PCjr clone that became the best-selling IBM PC compatible in North America. Its legion of followup models survived on the market into the early 1990s. #retrocomputing #vinta…
At one time, Syquest was the king of removable hard drives. But cheaper forms of mass storage did them in, and 27 years ago today, Syquest filed bankruptcy. This blog post looks at their rise and fall. #retrocomputing #vintagecomputing htt…
Ira Velinsky was an industrial designer for Commodore and Atari, responsible for the innovative design of the Commodore SX-64, Plus/4, Porsche PETs, and the Atari ST. Sadly, he died much too young at age 46. #retrocomputing #vintagecomputi…
48 years ago this week, Radio Shack introduced its TRS-80 computer. Tandy hoped to sell 5,000 units but 250,000 people signed up for the waiting list, shattering expectations. An ecosystem quickly sprung up around it. #retrocomputing https…
The first Energy Star computer reached the market 32 years ago today. The IBM PS/2 E used an odd mashup of technology to get power consumption down to a stunning 24 watts, but its relatively low performance limited it to 6 months on the ma…
🐘 Community & instance
Home server
ioc.exchange
A threat-intel & infosec server — its members and audience skew toward that niche, so expect a community-aligned, engaged following.
✅ 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 0.5× per week.
🕵️ Fake follower check
Estimated52/100
Fair
Credibility score
76%
Mixed
Real audience
Medium
Fake-follower risk
High
Data confidence
- Est. 76% real, active audience · Medium fake-follower risk.
- Low engagement (~0.9% of followers engage each post) — a sign of an inflated or inactive audience.
- Verified account.
- Established account (3+ years old).
Heuristic estimate from engagement, follower ratios, account age & growth — a screening signal, not a guarantee.
About
Computer security pro specializing in vulnerability management, vintage computer enthusiast, blogs a lot. #fedi22 #retrocomputing #infosec #c64 #amiga #atari800
🔀 Audience overlap
EstimatedEstimated shared audience with similar creators — useful for avoiding overlap (or doubling down) when planning a campaign.
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14%
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Frequently asked questions
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How many followers does Silicon Underground (Dave F) have?
Silicon Underground (Dave F) has 587 followers on Mastodon.
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