Big Data platforms such as Israel-based Treato IQ aggregate social media conversations by patients and caregivers to offer insights to pharmaceutical companies. Information includes whether patients have stopped or started their medication and if they have switched drugs, along with reasons for the behavior. The data also include what patients hear their doctors saying about a drug. "We pull a million conversations a day from the Internet" to access the personal experiences of patients, said Ezra Ernst, chief commercial officer at Treato.

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