Google Browser Sync was a Firefox extension that synced information like passwords and browsing history. Launched June 8, 2006; shut down June 30, 2008 — it lived 2 years. One of 7 Google products killed in 2008. Google Browser Sync was a Mozilla Firefox extension released as freeware from Google. It debuted in Google Labs on June 8, 2006, and in June 2008, was discontinued. It allowed users of Mozilla Firefox up to versions 2.x to synchronize their web browser settings across multiple computers via the Internet. Wiki link Data: Killed by Google (killedbygoogle.com, MIT).