Official reason
Crashlytics moving to Google with Fabric.
X (Twitter) · Developer Tools
Crashlytics (Twitter era)
RIP
2011–2017 · 6 years in market
The crash reporter Twitter owned via Crashlytics/Fabric, then sold. Still alive — just not at X.
Launched
Jan 1, 2011
Discontinued
Jan 1, 2017
Cause of death
Acquired, then shut down
What actually happened
A rare case of a killed-at-parent, survived-at-buyer product.
Lesson
Some products are better as someone else’s core. Selling can be the humane sunset.
Similar products that survived
Google
Firebase Crashlytics
Still the default crash reporter for many apps.
Related autopsies
Microsoft
RIP
Internet Explorer
1995–2022 · 27 yrs
The browser that won the first war and lost the next three. Retired in favor of Chromium Edge.
Developer Tools/Replaced by successor+41
X (Twitter)
RIP
Legacy verification
2009–2022 · 13 yrs
The blue check as a signal of identity, not payment. Retired when checks went on sale.
Social/Strategic refocus+39
X (Twitter)
RIP
Twitter Moments
2015–2022 · 7 yrs
Curated story-packs of tweets. Editorial Twitter in an app that hates editors.
Media & Publishing/Strategic refocus+38
X (Twitter)
RIP
Revue
2021–2023 · 2 yrs
A newsletter tool Twitter bought to keep writers on-platform. Killed after the ownership change.
Media & Publishing/Strategic refocus+37