Lenovo, Google unveil phone that knows its way around a room

SAN FRANCISCO (AP) — A Lenovo smartphone unveiled Thursday will be clever enough to grasp your physical surroundings — such as the room’s size and the presence of other people — and potentially transform how we interact with e-commerce, education and gaming.
Today’s smartphones track location through GPS and cell towers, but that does little more than tell apps where you are. Tapping Google’s 3-year-old Project Tango, the new phone will use software and sensor