US Patent 11860704 Methods and apparatus to determine user presence

Methods and apparatus to determine user presence are disclosed. A disclosed example monitoring device to determine of a presence of a user in a metering environment includes a mount to couple the monitoring device to a wearable device to be worn by the user, the wearable device to receive content from a content device, a sensor to detect motion of the user, and a transmitter to transmit motion data pertaining to the detected motion of the user for the determination of the presence of the user.