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Steven Kirsch founded Mouse Systems Corporation in 1982. After he left the company, he co-founded Frame Technology Corp. in 1986 to market the FrameMaker publishing software. After Frame was acquired by Adobe Systems for $500 million, he founded a Web portal company, Infoseek Corporation, in 1994. After Infoseek was acquired by The Walt Disney Company, he founded Propel Software Corporation in 1999.