Update README.md with video link

README.md

@@ -33,4 +33,7 @@ Click on each button to go to perform the individual function.
         1) Select the subject number you'd like to compare resting vs stressed states
     Visualize!
         1) Select the file you'd like to visualize from drop down menu.
-        2) Use sliders to adjust the curve and see what the parameter does
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+        2) Use sliders to adjust the curve and see what the parameter does
+#Demonstration
+See a quick background and demonstration of the GUI in the below video:
+https://www.youtube.com/watch?v=abWtCTJZioA
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