Information Technology Hardly 'friends': Zuckerberg fends off senators on privacy Updated : April 11, 2018 06:51 AM IST During some five hours of Senate questioning, Zuckerberg apologized several times for Facebook failures. The controversy has brought a flood of bad publicity and sent the company's stock value plunging. 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.