2. History -In 1987 Thomas Knoll -Called “Display”--> turned it into a full-fledged image editing program. - Photoshop 1.0 was released in 1990 for Macintosh exclusively. -Photoshop Express = direct way to edit photos on Blogs and social networking sites Facebook, Picasa and Photobucket http://en.wikipedia.org/wiki/Photoshop