Spread Certificate · No. HIS-01430

This certifies how far it spread
Michael Phelps; US relay teammates ·August 2008 ·seeded onTVthenOpen webPressRetailFacebookYouTube
Spread Score
38
Niche
1.3M
Historical Facebook fans; counter still rising
CNN
60K
Congratulatory Facebook wall messages; CNN lower bound
CNN
7 days
Seed to milestone, Aug 10 ’08 to Aug 17 ’08
6 platforms
Started on TV
39.9M impressions
NBC relay audience peak; US broadcast date
Per Sports Illustrated
1.7M
NBC relay replay streams; not a derivative total
Per TVWeek