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This paper summarizes a long-term project to install and maintain socially interactive, autonomous mobile robots in public spaces. We have deployed four robots over the past five years, accumulating a total operational time exceeding seven years. This document introduces the robots, then focuses on lessons learned from each deployment. Finally, this paper describes how this entire project came to a close, offering a cautionary tale for those who wish to embark on such an effort in the future.
Nourbakhsh et al. (Mon,) studied this question.