Bob Wallace , was the ninth Microsoft employee, inventor of the term shareware, creator of the word processing program PC-Write, founder of the software company Quicksoft and an "online drug guru" who devoted much time and money into the research of psychedelic drugs. His home in Marin City, California, was the location of monthly invitation-only dinners that were attended by notable people involved in psychedelic drug research. Bob was also noted for ending his Usenet posts with the phrase, "Just my opinion."