By Shelley DuBois, writer-reporter
FORTUNE -- One of the best things you can do for your company is turn against it.
It sounds odd, especially when corporate culture is often consumed with deflating negative news. But companies can learn valuable information about their own weaknesses not just by talking about what moves competitors might make, but by actually stepping into the shoes of the competition, and going for the throat.
This past year, General Motors (GM) executives participated in an exercise that did just that. At the automaker's annual shareholders meeting in early June, CEO Daniel Akerson explained how some of GM's leadership broke into six groups, each with a packet of information about a rival company. Then, group members were asked to devise a strategy to attack GM. Participants had to consider which areas of GM they would target: Given the specific strengths of those other companies, how were they best suited to take GM down?
The results were "enlightening and a little bit frightening," Akerson told shareholders: "God forbid someone will leave that exercise and go to work for some of our competitors."
The last comment may have been tongue-in-cheek, but the takeaway thought, he said, was that GM knew its weaknesses as well as anyone else. Having taken the time to discuss the company's flaws, GM could then take action before rivals could discover and capitalize on them.
More companies should follow GM's example, even if it is temporarily painful, says Michael Useem, a professor of management at Wharton. That's not always easy, especially during an activity when your own executives talk about other companies' cutthroat strategies in the first person. "It does take a thicker skin to get those kind of darts thrown in your back without flinching when they hit," Useem says. More
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