59. See Giles, supra note 57; Katherine Panciera et al., “Wikipedians Are Born, Not Made,” in Ass’n for Computing Machinery, Proc. ACM 2009 Int’l Conf. on Supporting Group Work 51, 59 (2009) (“60 percent of registered users never make another edit after their first 24 hours.”). Panciera et al. offer two possible hypotheses to explain this group: (1) they only registered for a single purpose; or (2) they were scared away by their experiences. Id.