^ The "setbacks" referred to include the ALPAC report of 1966, the abandonment of perceptrons in 1970, the the Lighthill Report of 1973 and the collapse of the lisp machine market in 1987.
^ Dagiti "pannakapaay" a naibagbaga ket mairaman ti reporta ti ALPAC idi 1966, ti panagpanaw kadagiti perseptron idi 1970, Lighthill a Reporta idi 1973 ken ti pannakarebba ti pagtagilakuan ti Lisp a makina idi 1987.