Here are a selection of videos illustrating SPMT technology.

CNN Reports: Salt Lake City
SPMT animation: Float In (11 sec) wmv file
SPMT animation: Progressive (47 sec) wmv file
SPMT animation: Ramp (13 sec) wmv file
SPMT animation: Span Replacement (31 sec) wmv file
SPMT animation: Straddle Found (27 sec) wmv file