Six Steps to Testing the Market

http://melabraham.tumblr.com/post/122333233300/knowing-exactly-what-your-customers-will-buy-from

1. Create a Sample: Put your idea out there in a small way to get feedback from the market. The information should be used to make better choices and decisions.
2. Show it: Once the sample is ready, show it to some of the customers. Let them experience it so that they will give you valuable feedback.