<iframe title = "Do You Need a $400 Juicer?" width="700" height="400" src="https://www.youtube.com/embed/5lutHF5HhVA?autoplay=1&modestbranding=1" frameborder="0" allowfullscreen></iframe> <br>One of the most lavishly funded gadget startups in Silicon Valley last year was Juicero Inc. It makes a juice machine. The device transforms single-serving ...