Ideas are the lifeblood of an entrepreneur. Now a host of websites aim to give dreamers new ways to develop their ideas—and possibly turn a profit on them. One variety of site lets people with marketable ideas get a shot at having them critiqued by experts or other users, and perhaps even have the ideas developed. Another type of site hosts contests that offer prizes for cooking up innovative solutions to big problems facing corporations and other organizations. A newer variety of site lets people talk about pie-in-the-sky concepts and brainstorm about how to make them reality.
Here’s a closer look at what these venues have to offer.