Adobe Photoshop
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"Adobe Photoshop" is a title based upon conjecture.
Check the behind the scenes section, the revision history and discussion page for additional comments on this article's title.
Adam Hargreaves' computer had, among other applications, an application represented with a black square outlined in blue with "Ps" written in blue in its centre. (NOTVALID: Doctor Who meets Mr. Men)
Behind the scenes
Although not remarked in NOTVALID: Doctor Who meets Mr. Men, "Ps" referred to "Adobe Photoshop".