Envy Spa owner Tina Evans smiles during a "cash mob" at the spa June 27. The event brings a group of people committed to spending $10 each to a local business.
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DALLAS -- Flash mobs -- a group of people who gather at a specific place at a specific time to "spontaneously" break out in song or dance and then disappear again -- are widely known.
July 2, 2012 3 p.m. read more..