timothy from the worth-it-for-the-screenshots dept.
benwiggy writes "Photoshop turned 20 on 10th February 2010. Here's an excellent history, including how the Knoll family created one of the biggest apps of all time. The article also has screenshots of the workspace through the versions."
Those who do not understand Unix are condemned to reinvent it, poorly.
- Henry Spencer, University of Toronto Unix hack