HTC has a new flagship, the One A9, and it's going to be controversial. Hero device after the One M9 and M9+, it's one of the first Android 6.0 Marshmallow phones outside of Google's own Nexus, and with a highly competitive price tag that belies its build quality. That controversy? Just about everyone agrees, the One A9's design is… familiar. Exactly what it's familiar to depends on who you are, though.