Coinbase's bouncing QR code Super Bowl ad was so popular it crashed the app - The Verge
Coinbase 'Free Bitcoin' Super Bowl Ad Causes Site to Briefly Crash - Decrypt
Coinbase's strange QR-code Super Bowl ad briefly crashes app
Coinbase QR Code Super Bowl Ad Temporarily Crashes Crypto Site –
Coinbase spent $14M on a Super Bowl ad of a bouncing QR code that didn't work
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Coinbase's bouncing QR code Super Bowl ad was so popular it crashed the app - The Verge