David Foster✓ Add us as a preferred source on Google
🔄 Data last refreshed 4 days ago
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Make a deal with David Foster
🔒 Paid proposals held safely in escrow — released only when the work's approved.
Followers
71
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 Foster
📊 Post engagement
2
Avg engagement / post
2.8%
Engagement vs followers
Nov 2022
On Mastodon since
🔥 Top post: RE: https://fosstodon.org/@django/116896046848320941 Use #django · 8 likes + reposts
📊 Activity & format
Posting cadence
6.4 / week
Posts several times a week.
Content mix
Mostly text
Recent: 12 text · 0 image · 0 video.
Follower / following
0.8×
Follows 84 back. A more reciprocal / networked account.
Recent posts
View on Mastodon ↗
RE: https://mastodon.social/@hynek/116951223381468447
Personalized meme :)
Today I notice that #Google is displaying a (1st-party) ad in both Gmail and Google Docs, something they have never done before. Ads are now in the last products of theirs I use.
Cost-saving tip for #aicoding: Use an agent harness with a short system prompt. My Claude Code setup uses ~30k tokens, 30% of my target max 100k convo length. Pi by contrast only uses ~1.5k out of the box.
My favorite #aicoding models in July 2026:
- GPT-5.3-Codex (moderate-high intelligence, high independence, moderate-low cost, BUT no vision),
- Claude Opus (high intelligence, moderate independence, high cost),
- Claude Sonnet (moderate…
Cost-saving tip for #aicoding: Use less expensive/powerful models for simpler problems. -- Note especially the model's "cache read/hit" price, which affects convo cost quadratically. The "input token", "output token", "cache write" prices …
Cost-saving tip for #aicoding: Manually "compact" multi-step conversations after completing each step by rewinding the convo to the start of the step and say "- Step N complete". Keeps convo length short. Retains full convo history fidelit…
Cost-saving tip for using AI coding agents: Use short conversations. Token usage increases quadratically with conversation length, because each new message must replay all previous messages. I try very hard to stay <100k tokens (<10% of a …
Today I broke my main branch by committing a "comment change" but I used the wrong comment character for the language of the file. Full-stack web dev problems :)
Concision is not a strength of current generation Claude models. I always have to cut down commit messages and code comments. Maybe I should try other vendors more. #aicoding
I’m thankful to be living in an age of “thinking machines” (for multiple definitions of this term)
AI prediction: (1) Local models will become as capable and usable as the frontier models of today (July 2026). (2) But local models will NOT actually be run locally commonly (>25%) by engineers even in rich markets like the US due to the h…
🐘 Community & instance
Home server
mastodon.world
A large general-interest Mastodon server. On the fediverse the server a creator picks hints at their community — this one spans all topics.
✅ 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 2 views per post.
📤Posts about 6.4× per week.
🕵️ Fake follower check
Estimated89/100
Excellent
Credibility score
99%
Real
Real audience
Low
Fake-follower risk
High
Data confidence
- Est. 99% real, active audience · Low fake-follower risk.
- Strong engagement (~2.8% of followers engage each post) — an active, real audience.
- Verified account.
- Established account (3+ years old).
Heuristic estimate from engagement, follower ratios, account age & growth — a screening signal, not a guarantee.
About
Software sculptor. Writer. Teacher. Inquiring mind. Bringing world-class computer science education to K-12 schools, teachers, and students at https://techsmart.codes
🔀 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 Foster have?
David Foster has 71 followers on Mastodon.
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