Nor do phones seem to ring much anywhere on the suburban Microsoft "campus, " a cluster of 35 low-rise buildings, lawns, white pines and courtyards that resemble those of a state polytechnic college.
The topmost section features a physical volume dial that also serves as a mute switch when pushed, surrounded by a circular cluster of LEDs (for clockwise-flowing level indication) and then a secondary outer ring of capacitive buttons and LED indicators.