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.
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. 18. The system of claim 11 , wherein the comparing is further to determine trigger keywords.