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Harvard Design Magazine

Harvard Design Magazine

Shelf Life [Design Books, Books]

Design·Launched May 2017·0 upvotes·harvarddesignmagazine.org

▲Upvote0 Visit Website↗

ALIVEverified Jul 13, 2026 · HTTP 200

CohortClass of 2017

What it is

Shelf Life [Design Books, Books]

HTTP liveness

11 probes since Jun 16

Jun 16Jul 13

AliveHard-dead (404/5xx/parked)RedirectedUnverified (timeout/DNS/block)

Observed events

probes · press · GitHub

Jun 16, 2026
First probe — live
Alive · 200 OK

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Tags

consumers designers students pdf cloud researchers

Pulse Indexobserved activity

442/4 signal families

Liveness40%

1.00

Press30%

no data

GitHub20%

no data

Tranco10%

0.39

Weighted observed activity · updated Jul 15

Cohort survival · Class of 2017weekly

13,497 products launched in 2017 · 100% still active

13,462 active35 sunset

Still active

100%

Median lifespan

4.9y