49.8% of matchups won
319 matchups
Elo 1541
tracked 2025/05/15 → 2026/10/13
mission: Develop useful communication apps · Mobile communication technology · billionaires
Public sentiment
how often it gets picked, by matchup framing49%
picked as helping wellbeing
241 matchups
54%
picked as hurting wellbeing
78 matchups
On balance people see it as hurting.
Who rates it higher
See who rates Jan Koum higher
The 2 splits (party, gender, age, US vs. international) are free with an email. No password.
Rating over time
Elo, 7-day average · history as of 2025-08-29Related
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Known for
- WhatsApp co-founder
- WhatsApp sold to Facebook
- Multi-billionaire
- Philanthropist for Jewish causes
- Innovation in messaging apps
Based on 319 head-to-head matchups from Mic Check's global survey; ratings use Elo (1500 = neutral start). Latest data 2026/10/13. Full rankings ·
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