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Communities Book
A comprehensive book exploring the evolution of virtual communities from the 1980s to present day
since Jun 16, 2026 · HTTP 200
CohortClass of 2026What it is
A comprehensive book exploring the evolution of virtual communities from the 1980s to present day. Features in-depth interviews with visionary founders of iconic online platforms that shaped how people connect digitally.
HTTP liveness
10 probes since Jun 16Jun 16Jul 15
AliveHard-dead (404/5xx/parked)RedirectedUnverified (timeout/DNS/block)
Observed events
probes · press · GitHub- Jun 16, 2026First probe — redirectedRedirected offsite
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Pulse Indexobserved activity
10 probes0 pressGitHub –Tranco –
Not enough observed signals for a Pulse Index (needs 2+ signal families).
Cohort survival · Class of 2026weekly
567 products launched in 2026 · 100% still active
567 active0 sunset
Still active
100%
Median lifespan
4.9y