Official line
Fabric joining Google; migrating to Firebase.
X (Twitter) · Developer Tools · Product
Fabric
Discontinued
2014–2017 · 3 years in market
Launched
Oct 1, 2014
Discontinued
Jan 18, 2017
Cause of death
Acquired, then shut down
Evidence
Unsourced
What was it?
Twitter’s mobile developer platform (Crashlytics, Answers, Digits). Sold to Google, absorbed into Firebase.
Why it died
Editorial reading
A good business that was not the tweets business. Sold for focus — and cash.
Founder takeaway
A healthy developer platform inside a distracted consumer company is always for sale. Build portable.
Sources
Unsourced — editorial reading
No primary source is attached yet. Treat the interpretation as editorial, not a citation.
What replaced it
Google
Firebase
The destination of Crashlytics and friends.
Related graves
Same company, category, or cause of death.
X (Twitter)
RIP
Crashlytics (Twitter era)
2011–2017 · 6 yrs
The crash reporter Twitter owned via Crashlytics/Fabric, then sold. Still alive — just not at X.
Developer Tools/Acquired, then shut down+40
X (Twitter)
RIP
Periscope
2015–2021 · 6 yrs
Livestreaming before it was a button in every app. Acquired, integrated, then starved.
Video/Acquired, then shut down+30
X (Twitter)
RIP
Digits
2014–2017 · 3 yrs
Phone-number auth for apps, part of Fabric. Sold to Google and retired.
Developer Tools/Acquired, then shut down+17
X (Twitter)
RIP
MoPub
2010–2021 · 11 yrs
A mobile ad exchange Twitter bought, then sold to AppLovin as it retreated from ad infra.
Advertising/Acquired, then shut down+12