add Ico as reference

README.md

@@ -97,6 +97,9 @@ can take advantage of the new HTML5 GUI:
 To figure out which is best, it's probably helpful to know more about the
 history of K12 mode, and whether the ability to also open and interact with
 normal Pd objects turned out to be an important feature.
+Ivica Bukvic has a lot of experience using this mode when teaching
+kids, so we can look to him for some more insight into the right path to
+take.
 
 Either way, this feature vastly improves the usability of Purr Data for new
 users, giving them a way to quickly generate sounds and experiment with the