July 10, 2013: In this file photo, Sheryl Sandberg, COO of Facebook, left, and her husband David Goldberg, CEO of SurveyMonkey, walk to the morning session at the Allen & Company Sun Valley Conference in Sun Valley, Idaho. (AP)
The tech-giant husband of Facebook executive Sheryl Sandberg may have had an arrhythmia before he fell off a treadmill and died, a report said. David Goldberg, the 47-year-old SurveyMonkey CEO, died from head trauma after he slipped off the exercise machine while on vacation in Mexico.
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