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Sid's Product Newsletter
A weekly newsletter designed to help readers develop product expertise through curated insights on management, strategy, and innovation
last checked Jul 13, 2026 · HTTP 403
CohortClass of 2026What it is
A weekly newsletter designed to help readers develop product expertise through curated insights on management, strategy, and innovation. Each issue delivers essential concepts and actionable takeaways for building better products.
HTTP liveness
9 probes since Jun 16Jun 16Jul 13
AliveHard-dead (404/5xx/parked)RedirectedUnverified (timeout/DNS/block)
Observed events
probes · press · GitHub- Jul 13, 2026Probe inconclusiveCloudflare block
- Jun 16, 2026First probe — liveAlive · 200 OK
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Pulse Indexobserved activity
9 probes0 pressGitHub –Tranco –
Not enough observed signals for a Pulse Index (needs 2+ signal families).
Cohort survival · Class of 2026weekly
550 products launched in 2026 · 100% still active
550 active0 sunset
Still active
100%
Median lifespan
4.9y