In {TAIL ~ one embodiment}, the digital video recorder includes a feature detector configured to derive a set of features from content within {HEAD ~ a television commercial} 
In { TAIL ~ one embodiment } , the digital video recorder includes a feature detector configured to derive a set of features from content within { HEAD ~ a television commercial }
OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD