In the last few years, traditional collaboration—in a meeting room, a conference call, even a convention center—has been superceded by collaborations on an astronomical scale. Today, encyclopedias, jetliners, operating systems, mutual funds, and many other items are being created by teams numbering in the thousands or even millions. While some leaders fear the heaving growth of these massive online communities, Wikinomics proves this fear is folly. Wikinomics is based on four ideas: Openness, Peering, Sharing, and Acting Globally.