Collaboration helps us adopt smarter, more creative solutions in less time than it would if we attacked every problem in isolation. That’s why Wang believes that one of the best ways to confront a tough task is to cross paths with colleagues. He makes a point of leaving his office to eat lunch in an atrium in his building every day. “It’s a real live version of Facebook or Google,” he says. “As much as people like to talk about social networking sites, personal networking between live people, face-to-face, I still far more effective than any online kind of interaction.