11. A system, comprising at least one processor and memory, for determining an effect of an audio-visual advertisement, the system comprising: a module to deliver, over a network, the audio-visual advertisement to a user computer; a module to receive a search query comprising one or more keywords submitted over the network by the user; a module to extract advertisement keywords from digitized text corresponding to audio and video from the audio-visual advertisement; and a module to compare, by the processor, the advertisement keywords to the one or more keywords from the search query by determining an advertisement effectiveness rank of the audio-visual advertisement, the advertisement effectiveness rank is based on common keywords between the advertisement keywords and the one or more keywords of the search query and a time difference between the delivering of the audio-visual advertisement to the user and the receiving of the search query from the user.
19. The system of claim 11 , further comprising: an advertisement keyword database configured to store each search keyword with at least one of a search timestamp, a search location and a click-through, and further configured to store each advertisement keyword with at least one of an advertisement timestamp and an advertisement location, and wherein the comparing is further to perform a statistical analysis based on at least one of the search locations, the timestamps and the click-throughs.