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In page Vector graphics:
"Vector graphic displays were first used in 1958 by the US SAGE air defense system.[2] Vector graphics systems were retired from the U.S. en route air traffic control in 1999.[citation needed] Vector graphics were also used on the TX-2 at the Massachusetts Institute of Technology Lincoln Laboratory by computer graphics pioneer Ivan Sutherland to run his program Sketchpad in 1963.[3]
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