Adobe Photoshop celebrates 20th birthday

Photoshop - a cheaper form of Botox for image-conscious celebs
Photoshop - a cheaper form of Botox for image-conscious celebs

The venerable picture editing software Photoshop turns 20 this week, with celebrations re-uniting the team that designed it, as well as on – of course – Facebook and Twitter.

Photoshop has become the byword for picture editing, and is seemingly ubiquitous in the modern world.