?url_ver=Z39.88-2004&rft_id=arXiv%3A1604.02705&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.relation=http%3A%2F%2Feprints.imtlucca.it%2F3554%2F&rft.title=Users+Polarization+on+Facebook+and+Youtube&rft.creator=Bessi%2C+Alessandro&rft.creator=Zollo%2C+Fabiana&rft.creator=Del+Vicario%2C+Michela&rft.creator=Puliga%2C+Michelangelo&rft.creator=Scala%2C+Antonio&rft.creator=Caldarelli%2C+Guido&rft.creator=Uzzi%2C+Brian&rft.creator=Quattrociocchi%2C+Walter&rft.subject=QC+Physics&rft.description=On+social+media+algorithms+for+content+promotion%2C+accounting+for+users+preferences%2C+might+limit+the+exposure+to+unsolicited+contents.+In+this+work%2C+we+study+how+the+same+contents+(videos)+are+consumed+on+different+platforms+--+i.e.+Facebook+and+YouTube+--+over+a+sample+of+12M+of+users.+Our+findings+show+that+the+same+content+lead+to+the+formation+of+echo+chambers%2C+irrespective+of+the+online+social+network+and+thus+of+the+algorithm+for+content+promotion.+Finally%2C+we+show+that+the+users'+commenting+patterns+are+accurate+early+predictors+for+the+formation+of+echo-chambers.&rft.publisher=arXiv&rft.date=2016&rft.type=Working+Paper&rft.type=NonPeerReviewed&rft.format=application%2Fpdf&rft.language=en&rft.rights=cc_by_nc&rft.identifier=http%3A%2F%2Feprints.imtlucca.it%2F3554%2F1%2F1604.02705v1.pdf&rft.identifier=++Bessi%2C+Alessandro+and+Zollo%2C+Fabiana+and+Del+Vicario%2C+Michela+and+Puliga%2C+Michelangelo+and+Scala%2C+Antonio+and+Caldarelli%2C+Guido+and+Uzzi%2C+Brian+and+Quattrociocchi%2C+Walter++Users+Polarization+on+Facebook+and+Youtube.++Working+Paper+++arXiv+++++++(Submitted)+++&rft.relation=https%3A%2F%2Farxiv.org%2Fabs%2F1604.02705&rft.relation=arXiv%3A1604.02705