Spread Certificate · No. HIS-01579
This certifies how far it spread
Curiosity rover landing
NASA / Jet Propulsion Laboratory ·August 2012 ·seeded onOpen webthenYouTubeXTVFacebookPressAudioRetail
Spread Score
46
Notable
Verified independently
Verified
3 outlets
National press, from USA Today via ABC News and Wired
Verified
same day
Seed to observed peak, Aug 6 ’12 to Aug 6 ’12
Verified
8 platforms
Started on Open web
Claimed, not audited
Claimed
36M views
NASA landing webcast streams; no derivative counts
Per NASA via PR Newswire
Claimed
3.2M views
Ustream landing viewers; no derivative counts
Per The Verge
Claimed
15M
NASA website visits attributed to the landing
Per NASA via PR Newswire