Unfortunately, the history of the human species suggests that all too often groups fail to live up to their potential. Many groups turn out to be foolish; they bet on products that are doomed to failure; they miss out on spectacular opportunities; they develop unsuccessful marketing strategies; their investments and strategies go awry, hurting millions of people in the process, according to Cass Sunstein and Reid Hastie in their book Wiser: Getting Beyond Groupthink to Make Groups Smarter.
My full review of the book is available at my business book reviews website.