These glasses are inspired by uncomfortable first dates where neither person is very outgoing, yet you need to break the ice and get to know some basic information about the person.
Like handwritten notes or a cheat-sheet, one can naturally glance down to bring a 'helper' topic into conversation. Ideally a new question is asked for each sip of wine. As the wine level drops, the questions become more intimate/bold. The last being: May I kiss you?