http://en.m.wikipedia.org/wiki/Adobe_Photoshop
Adobe employees created Photoshop 20 years ago, and was tremendously successful until Flash died in the last five years.
Flash and Dreamweaver were acquisition s.
Adobe employees created Photoshop 20 years ago, and was tremendously successful until Flash died in the last five years.
Flash and Dreamweaver were acquisition s.
Prior to that Adobe's business was based on PostScript, and they developed Illustrator to take advantage of PostScript's capabilities. Then they licensed Photoshop.