We also tested glass in the same capacity. I'd like to add one of our most important UX findings: 9. It gave ~10% of users a headache after approximately 10 mi

We also tested glass in the same capacity. I'd like to add one of our most important UX findings: 9. It gave ~10% of users a headache after approximately 10 minues of use. At least we learned that User experience isn't all about pressing buttons.