BlogHide Resteemstariqms (25)in mark • 7 years agoFact-checking Mark Zuckerberg's testimony about Facebook privacyFacebook’s CEO Mark Zuckerberg remained calm and composed as he sat through more than 10 hours of questioning by members of congress on Tuesday and Wednesday. His strategy appeared to be to show…tariqms (25)in steemit • 7 years agoLooks interestingit looks interesting but don't know how it works, can anyone please guide