Yup, your feeling is correct. When I wrote my first self-learning discovery tool, it was the one that asks the visitor for 3 bands and then suggests other bands

Yup, your feeling is correct. When I wrote my first self-learning discovery tool, it was the one that asks the visitor for 3 bands and then suggests other bands based on what it learned so far. And for some reason I called it "Global Network Of Dreams" at that time. Glad it worked for you!