Adobe Systems was founded in 1982 by ex-Xerox employees John Warnock and Charles Geschke. Their first product was the Postscript page description language which was licensed by Apple Computers in 1985.
Adobe then created a proprietary font format called Type 1.
In the mid 1980s, Adobe entered the consumer market with Adobe Illustrator. In 1989, their flagship product, Photoshop was released.
The company went public in 1986.
In 1992, Adobe acquired OCR Systems.
In 1993, Adobe introduced the PDF (Portable Document Format) filetype and Adobe Reader software.
In 2005, the company acquired its main competitor, Macromedia.
Today, Adobe has nearly 10,000 employees and several very popular computer programs including Photoshop, Illustrator, ColdFusion, Dreamweaver and Flash.