consumption (with apps automatically paused after a period of inactivity).

The OS was designed to respond to various "postures", such as spanning an application across both screens like a book, using separate applications on the two screens, standing up with a wireless external keyboard ("portable all-in-one"), or like a laptop--with the lower screen dedicated to a virtual keyboard or partially covered by a physical keyboard accessory. In both cases, the portion of the lower screen not used by