How at risk are you of an idea infection?

People who live in the intersection of social worlds are at higher risk of having good ideas.

From the article "Where to Get a Good Idea: Steal It Outside Your Group," linked by 2007 IdeaFestival presenter and entrepreneur Ethan Zuckerman.

Similarly, Jonah Lehrer, a 2008 IdeaFestival presenter, recently made the case that diverse social networks are not just a nice idea, but come with tangible benefits as well: entrepreneurs that have such networks are much more likely to "be told unexpected things," to encounter that idea that changes everything.