Here's an idea

A hack for Polycom conference phones that allow you to turn off the 'mute' function on a remote phone without turning off the red lights that indicate the phone is in 'mute' mode.  You could hear what's really being said during conference calls.

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Oms/b rice ball restaurant in NYC - cheap and tasty

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A competitive edge is value you can deliver repeatedly, consistently, over and over, without fail.