Better Ideas with Group Brainstorming

Not surprizingly a new study shows that groups brainstorming come up with better ideas than individuals.
The individuals are more efficient and create more ideas because they don’t spend the time communicating with others.  But, the groups come up with better ideas because as they communicate, they get to play off each others’ ideas.  http://sloanreview.mit.edu/the-magazine/articles/2008/summer/49408/where-the-best-and-worst-ideas-come-from/