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Adobe's venerable image editing application recently turned 25 years old. We've charted its development in an interactive timeline.

A sure sign that a branded product dominates its market is when it becomes a verb -- something that has happened in the tech world to Google's search engine and Adobe's Photoshop image editing application (to the chagrin of both companies' lawyers). Last week Photoshop turned a quarter-century old, amid plenty of online fanfare. Having used pretty much every version since its launch in February 1990, I thought it appropriate to put the 15 major versions of Photoshop down on a timeline, along with some of the various spin-off and companion applications:



Over the years Photoshop's feature set has evolved and grown (massively) to cater for successive user bases: prepress people, pre-digital-camera-boom image editors, consumer and then professional digital photographers, web designers and now creatives of all kinds -- an increasing number of them capturing and creating ideas on mobile devices, saving and syncing content in the cloud and doing final edits on laptop or desktop systems.

Photoshop continues to add major tranches of functionality, such as 3D printing support in January 2014, while refining and accelerating its vast back-catalogue of features. Adobe has seen off or bought most of Photoshop's competition, and there seems little chance of its dominant market position being challenged in the foreseeable future. I fully expect people to be still 'photoshopping' images in 2040.