General Electric (GE) - Get General Electric Company (GE) Report will team up with AT&T (T) - Get AT&T Inc. Report and Intel (INTC) - Get Intel Corporation (INTC) Report to install cameras, microphones and sensors on 3,200 street lights located in San Diego, CA, starting this year.

The initiative marks the first large-scale roll out of GE's "smart city" tools used to assist in motioning traffic and crime.

"This is a brand new market," Maryrose Sylvester, CEO of GE Current, said in an interview. A 2014 estimate by Frost & Sullivan estimated the market for cities could be valued at $1.5 trillion by 2020, she added.

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