Proponents of Web 2.0 and social networking often make claims for the benefits of this popular (supposedly new) phenomenon that include the likelihood of collaboration and group problem-solving as students from around the world team to take on important challenges. While collaboration might result if the activities are structured in ways that produce those results, decades of school and corporate efforts suggest that quality is unlikely to result from throwing folks together in groups while leaving issues of process to happenstance. This article outlines ways to increase the productivity of groups, whether they be face-to-face or remotely connected through Web 2.0.