Data scientist and MIT professor Sinan Aral identifies five strategies to help us unweave the tangled web of false information. This talk was filmed at TEDxCERN. All TEDx events are organized independently by volunteers in the spirit of TED's mission of ideas worth spreading. To learn more about TEDxSHORTS, the TEDx program, or give feedback on this episode, please visit http://go.ted.com/tedxshorts.