The most frequent autonomic symptoms associated with multiple system atrophy are a sudden drop in blood pressure upon standing (orthostatic hypotension), urinary difficulties, and erectile dysfunction in men.
The IBM Selectric typewriter was a highly successful model line of electric typewriters introduced by IBM on 31 July 1961.
The electronic typewriter, a typewriter with an electronic memory capable of storing text, first appeared in 1978. It was developed independently by the Olivetti Company in Italy and the Casio Company in Japan.