An apparatus comprises a sensor configured to detect movement and generate movement data related to at least part of a detected movement; a messaging unit configured to create a message that is configured to include movement information based at least in part upon the movement data; a transmitter in data communication with the messaging unit and configured to transmit the message; a touch sensor area configured to send, based at least in part on detection of a touch, an activation signal to the messaging unit; and a housing configured to at least partially enclose at least one of the sensor, the messaging unit, and the transmitter, and including a finger grip configured to secure the housing to a human finger.
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