The 5 Times You Actually Need a Prototype of Your Product

Hint: It's never right away.

















from Inc.com http://inc.com.feedsportal.com/c/34760/f/640480/s/429a6ebc/sc/4/l/0L0Sinc0N0Cstephen0Ekey0Cthe0E50Etimes0Eyou0Eactually0Eneed0Ea0Eprototype0Bhtml/story01.htm