diff --git a/OpticalSignalingCommsToolbox/presentations/OpticalSignalToolDemonstration.October2017.mov b/OpticalSignalingCommsToolbox/presentations/OpticalSignalToolDemonstration.October2017.mov new file mode 100644 index 0000000000000000000000000000000000000000..c4b4dd988850852ece13350397dd67236ef583dd Binary files /dev/null and b/OpticalSignalingCommsToolbox/presentations/OpticalSignalToolDemonstration.October2017.mov differ