In cellular service there are two main competing network technologies: Global System for Mobile Communications (GSM) and Code Division Multiple Access (CDMA). Cellular carriers including at&t wireless, Verizon, Sprint-Nextel, T-Mobile and smaller carriers use one or the other.
The smallest bone in the human body is the stirrup bone, the stapes, one of the 3 bones that make up your middle ear; measuring 2-3 millimeters.
Giraffe neck bones are just bigger. You have over 230 moveable and semi-moveable joints in your body. You have 27 bones in your hand. You have 14 bones in your face. The smallest bone in your body is the stirrup bone in the ear, which measures 1/10 of an inch. The longest bone in your body is the femur (thigh bone), which is about 1/4 of your height.