AT&T Introduces Tools to Further Simplify IoT Solution Development and a Growing Ecosystem of Companies Embracing the M2X Data Service; Offers M2X Connection Kit to Developers at the 2015 AT&T... /PRNewswire/ -- At the 2015 AT&T Developer Summit today, AT&T * announced the commercial availability of the M2X Data Service, its first Internet of Things managed service for developers, as well as new design tools aimed at making it easier for Enterprise Developers to create new IoT solutions. Beginning today, enterprise customers can purchase commercial plans for the M2X Data Service, a carrier-grade cloud-based data store that makes it easier to collect, analyze, and share time-series data from connected devices.