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@@ -2,6 +2,9 @@
 
 FCL is the programming language of an Android app called Forth Calculator. It is a Forth dialect with optional local variables, complex data structures, quotations and Java interoperability.
 
+Watch this [demo](https://www.youtube.com/watch?v=9rf8Y_lwj3g) to see it in action.
+
+
 ```forth
 \ calculates the first n+2 elements of the fibonacci sequence
 : fib ( n -- n* ) -> n     ( local variable )