17. The method according to claim 16 and wherein said importance scores are at least one of the following: user defined, pre-defined, defined by saliency within said query digital media, defined by similarity to objects, defined by similarity to actions and defined by similarity to speech and defined by irregularity in said query digital media.
17. The method according to claim 16 and wherein said importance scores are at least one of the following: user defined, pre-defined, defined by saliency within said query digital media, defined by similarity to objects, defined by similarity to actions and defined by similarity to speech and defined by irregularity in said query digital media. 18. The method according to claim 17 and comprising measuring said irregularity relative to one of the following: preceding data within said query digital media, present data within said query digital media, the entire query digital media, other portions of data within said query digital media and external reference digital media.