5. A computer implemented method for tracking commercials that are provided to an audience by a content provider, wherein all steps are performed by the computer, the computer comprising a processor, a memory device and control logic stored therein, said method comprising: presenting a plurality of advertisement campaigns to a user through a computer interface, each advertising campaign comprising a plurality of fillable video segment slots, each fillable segment slot arranged at a specific time point within said advertisement campaign, in response to receiving a campaign selection input, presenting the user with a first set of semantic criteria associated with the selected advertisement campaign, the first set of criteria comprising a plurality of criterions; receiving a first criterion selection from the user; populating a second criterion of first set of criteria automatically based upon the selection of the first criterion; accessing a library of media segments stored in the memory device, each of the media segments comprising a portion of an advertisement, each media segment associated with metadata defining the media segment; transmitting the first and second criterion selections to an assembly component; searching the memory device for media segments having metadata correlating with the first and second criterion selections; retrieving at least one correlating media segment from the memory device; inserting the correlating media segment into one of the fillable media slots into the advertisement campaign, thereby generating a completed commercial; presenting a preview of the completed commercial on a display to the user; providing the user with a plurality of delivery options, wherein the delivery options include a delivery format that is determined using the selected semantic criteria; and receiving a delivery option selection from the user.
6. The method of claim 5 , wherein the delivery format is one of a videotape, a DVD, a CD, a high definition format, a standard definition format, an MPEG-2 format, an MPEG-4 format, a media format, and a media resolution.