1. A computer-readable medium having computer-executable instructions stored thereon which, when executed by a computer, cause the computer to: provide a non-linear presentation canvas, the non-linear presentation canvas comprising a virtual space onto which multimedia files and hyperlinks are inserted; and display a content preview for one or more of the multimedia files and hyperlinks inserted onto the non-linear presentation canvas, the content preview being selectable to display the corresponding multimedia files and hyperlinks during a presentation.