![A Dyson engineer explains why the company spent $71 million and four years developing a high-tech hair dryer | TechCrunch A Dyson engineer explains why the company spent $71 million and four years developing a high-tech hair dryer | TechCrunch](https://techcrunch.com/wp-content/uploads/2016/04/dyson-supersonic-1.jpg)
A Dyson engineer explains why the company spent $71 million and four years developing a high-tech hair dryer | TechCrunch
![Cordless Hair Dryer with Diffuser - Low Heat Rechargeable Blow Dryer for Curly, Straight, Frizzy, Natural Hair - Portable, Lightweight with Base - Walmart.com Cordless Hair Dryer with Diffuser - Low Heat Rechargeable Blow Dryer for Curly, Straight, Frizzy, Natural Hair - Portable, Lightweight with Base - Walmart.com](https://i5.walmartimages.com/asr/e831c521-d986-48a3-8999-26aef98086c3.e78e0865ff6493e204aecaec40cbecb0.jpeg?odnHeight=768&odnWidth=768&odnBg=FFFFFF)
Cordless Hair Dryer with Diffuser - Low Heat Rechargeable Blow Dryer for Curly, Straight, Frizzy, Natural Hair - Portable, Lightweight with Base - Walmart.com
![A Dyson engineer explains why the company spent $71 million and four years developing a high-tech hair dryer | TechCrunch A Dyson engineer explains why the company spent $71 million and four years developing a high-tech hair dryer | TechCrunch](https://techcrunch.com/wp-content/uploads/2016/04/dyson-supersonic-2.jpg)