Most of what is written about collaboration is positive. Even hip. Collaboration is championed enthusiastically by the Enterprise 2.0 experts, as well as leading thinkers like Don Tapscott, as the crucial approach for the 21st century. Collaboration creates once-elusive “buy-in or “empowerment,” improves problem solving, increases creativity, is key to innovation at companies like Lego, Pixar, and Intuit. It slashes costs and improves productivity.