Examlex
If one characterizes the age of a surface by the age of the oldest feature that has been dated there, then the ages of these surfaces are, from youngest to oldest,
Hands-Free Cellular
Devices or systems that allow for the use of cellular phones without the need to physically hold the phone, often using Bluetooth technology.
Text Messaging
The act of composing and sending brief electronic messages between two or more mobile devices or fixed or portable devices over a phone network.
Hand-Held Cellular
A portable device, often referred to as a mobile phone or smartphone, used for communication.
Cocktail Party Phenomenon
The capacity to concentrate one's listening efforts on a specific sound while ignoring other surrounding noises.
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