Business Facebook now 'fifth estate', take it seriously, says Mark Zuckerberg Updated : October 18, 2019 11:54 AM IST Delivering a speech at Georgetown University in Washington, DC on Thursday, he said social media platforms have decentralised power by putting it directly into people's hands. Subscribe to Moneycontrol PRO at just Rs.33/- per month for the first year. Use code SUPERPRO. Limited period offer. Available on Web and Android.