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CHICAGO, IL - JULY 16: Fitbit Local Ambassadors Jeremy Walton and Jenny Finkel pose during the launch of Fitbit Local Free Community Workouts In Chicago at Grant Park on July 16, 2016 in Chicago, Illinois. (Photo by Daniel Boczarski/Getty Images for Fitbit)

CHICAGO, IL - JULY 16:  Fitbit Local Ambassadors Jeremy Walton and Jenny Finkel pose during the launch of Fitbit Local Free Community Workouts In Chicago at Grant Park on July 16, 2016 in Chicago, Illinois.  (Photo by Daniel Boczarski/Getty Images for Fitbit)