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M2M
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M2M

M2M is an abbreviation for machine-to-machine, or technology that supports wired or wireless communication between machines. An example of M2M technology might be a set of devices that monitor traffic in a city and communicate the information to the city's traffic lights in order to regulate the flow of traffic. M2M is used in telemetry, data collection, remote control, robotics, remote monitoring, status tracking, road traffic control, offsite diagnostics and maintenance, security systems, logistic services, fleet management, and telemedicine.

The abbreviation has also been used to stand for man-to-machine, mobile-to-machine, machine-to-man, and machine-to-mobile.

In addition, M2M is the name of a music group comprised of two women.

On-line and other places abbreviations are commonly used, M2M also can mean "male to male" or "man to man" and usually implies gay male relationships.