Which revolutionary scientific product underwent a complete redesign after consumer testing revealed that its original cylindrical shape was perceived as 'too clinical' for home use?

The journey from laboratory discovery to commercial scientific product is filled with fascinating decisions and pivotal moments. This poll explores a notable case study in scientific product development where consumer psychology dramatically influenced the final design. Test your knowledge about how scientific innovations adapt to market demands and public perception before reaching consumers.

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The first commercially successful home DNA testing kit by 23andMe
The original Dyson Air Multiplier bladeless fan
Tesla's home Powerwall battery system
The Nest Learning Thermostat