Newslettersby GlyphAI-Engine newsletter by "AI"in 21st Generation: latest issues, cadence and price
by "AI"in 21st Generation · Substack · Free · 3 a week · last issue Nov 8, 2026 · Active
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52 issues on file since Jun 30, 2026; every one is in its own archive ↗.
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Issues per week, last 26 weeks
3 a week, measured over the last six months (or since the feed's oldest issue)
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AI and agents (48), Software engineering (3), Tech business and strategy (1) in the last six months.