Linked by Thom Holwerda on Mon 24th Sep 2012 21:19 UTC
"Much like various versions of Firefox, the overall concept here is premium and of quality, but not because its expensive. Good quality design should be accessible to masses much like our products. Our strong focus is on high quality and distinctive design in the marketplace." Fantastic overview - quite detailed - about the UI design behind Firefox OS, from Patryk Adamczyk.