Spread Certificate · No. HIS-00672
This certifies how far it spread
Duo’s Sumo Showdown
Duolingo Japan; UltraSuperNew (creative); Tetsudau (production) ·August 2025 ·seeded onXthenOpen webPress
Spread Score
32
Niche
Verified independently
Verified
Week of Sep 17, 2025
Peak date, Aug 5 ’25 to Week of Sep 17, 2025
Verified
3 platforms
Started on X
Claimed, not audited
Claimed
90M impressions
Agency claim, total campaign impressions; cutoff unstated
Per UltraSuperNew
Claimed
45M impressions
Creative director claim, earned impressions; cutoff unstated
Per Francois Claverie, campaign executive creative director
Claimed
23M impressions
Early campaign claim, social impressions
Per MARKETECH APAC