Newslettersby GlyphThe Skeptic in the Loop newsletter by R. Brena: latest issues, cadence and price
by R. Brena · Substack · Paid · weekly · last issue Nov 7, 2026 · Active
A skeptic’s defense of reality in an era of tech hype and feel-good fantasies.
Sat Nov 71 issue
Fri Oct 301 issue
Wed Oct 211 issue
Tue Sep 221 issue
Fri Sep 181 issue
Thu Sep 101 issue
Tue Sep 81 issue
Thu Aug 271 issue
Wed Aug 261 issue
Fri Aug 211 issue
Mon Aug 171 issue
Wed Aug 121 issue
Thu Aug 61 issue
Mon Aug 31 issue
Tue Jul 281 issue
Wed Jul 221 issue
Fri Jul 171 issue
Wed Jul 152 issues
Thu Jul 91 issue
Mon Jul 61 issue
Wed Jul 11 issue
Fri Jun 261 issue
23 issues on file since Jun 26, 2026; every one is in its own archive ↗.
About this newsletter
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Free or paid
Paid on Substack. 100% of its latest 12 issues are for paying subscribers (from its public archive, checked weekly).
Issues per week, last 26 weeks
weekly, measured over the last six months (or since the feed's oldest issue)
Issues by month
Writes about
AI and agents (22), Tech business and strategy (1) in the last six months.