EMSI Public Relations' #PiInTheSky Campaign Goes Viral
March 17, 2014 07:00 ET | EMSI Public Relations
TAMPA, FL--(Marketwired - Mar 17, 2014) -  EMSI Public Relations' #PiInTheSky marketing campaign soared -- along with client AirSign, Inc.'s skywriting extravaganza -- on March 13, going viral...