M2M, mobile-to-mobile communications, is technology that enables the communication between two devices, often over a cellular network, to collect and analyze data and more.
Here are some more Tom's IT Pro articles on mobile devices:
Rachel RosmarinRachel Rosmarin's technology reporting experience goes back a decade to the dawn of Wi-Fi, smartphones and the Mp3. She has an in-depth knowledge of consumer electronics and has cultivated her love of useful new toys and innovative social software at publications including Tom’s Guide, Forbes, Business 2.0, Sound & Vision and Mobile Magazine. She holds degrees in Journalism and Science In Human Culture from Northwestern University and is based in Los Angeles.
See here for all of Rachel's Tom's IT Pro articles.