Technology Wheel of Reincarnation

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On the Design of Display Processors T. H. Myer, I. E. Sutherland;
Communications of the ACM, Vol 11, No. 6, June 1968
(http://cva.stanford.edu/classes/cs99s/papers/myer-sutherland-design-of-display-processors.pdf)

It was not until we had traveled around the wheel several times that we realized what was happening. Once we did, we tried to view the whole problem from a broader perspective. We found that some questions had fairly clear answers, but others remained in doubt.