AT&T Inc. has announced that it would enter the home security and automation business by selling home automation and security services nationwide. The new service is called Digital Life, and will be an IP-based platform that allows users to monitor and detect activity throughout their house remotely, and "take action " on devices like PCs, tablets, and smartphones. AT&T 's technology comes from Xanboo, a company it bought in late 2010. Its central control panel ...

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