This can only be accomplished via the exchange of opposing ideas. If ideas are shared between groups with similar outlooks, I call this 'information management'. Simply the exchange of information. Actually, there is a very specific goal from this definition. Namely, with the creation of new knowledge comes the adjunct, the dissemination of new knowledge.
Nothing is shared faster than a new idea.
And best of all, as this KM process grows in prominence, so to does the intellectual value of the company.