The potential of "knowledge on demand" is significant and of interest to CEOs and vendors alike. Key "on demand" attributes include dynamic sense and respond capabilities, flexible processes and cost structures, and resilient operation. These requirements are driving innovations in grid, autonomic, and utility computing. The knowledge aspect depends on business processes, people and their associated roles, and related technologies for collaboration, learning, and expertise. This is bringing a new focus on cognition with emphasis on oft computing. This talk will focus on the vision, gaps and opportunities.