Early signs of the shift abound. Walt Disney (DIS), investment bank Dresdner Kleinwort Wasserstein, and scores of other companies use wikis, or group-editable Web pages, to turbo-charge collaboration. Other firms are using button-down social-networking services such as LinkedIn and Visible Path to dig up sales leads and hiring prospects from the collective contacts of colleagues. Corporate blogging is becoming nearly a cliché, as executives from Sun Microsystems (SUNW) chief executive Jonathan Schwartz to General Motors (GM) Vice-Chairman Bob Lutz post on their own blogs to communicate directly with customers.