Voice Recognition Technology

Put an intercom inside a machine and then convince some nerd that it is an AI with voice recognition.

Bookmark Prank

While your victim is away from his computer, change all of his browser bookmarks so they go to porn sites or site with obscene material. Be sure to keep the title the same though, this way he or she won't know its changed until they click on it.

Speed Up The Double Click

While your victim is away from his or her computer, change the double click setting on the mouse. To do this, just go to to start, settings, control panel and then mouse. Make it so fast that it is nearly impossible to do.