ORLANDO, FLORIDA - JANUARY 16: Actor Michael J. Fox delivers an address to IBM Lotusphere 2012 conference on January 16, 2012 in Orlando, Fl. He tells how social networks help him fight his Parkinson's disease
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ORLANDO, FLORIDA - JANUARY 16: Actor Michael J. Fox delivers an address to IBM Lotusphere 2012 conference on January 16, 2012 in Orlando, Fl. He tells how social networks help him fight his Parkinson's disease