 Growth continued to accelerate, and by the spring of 1985, the system was already reaching its limit of 250 nodes.In addition to the limits on the growth of what was clearly a popular system, nodelist maintenance continued to grow more and more time-consuming.It was also realized that Fido systems were generally clustered – of the 15 systems running by the start of June 1984, 5 of them were in St. Louis.