Technology Facebook's Zuckerberg unscathed by congressional grilling, stock rises Updated : April 12, 2018 09:22 AM IST Mark Zuckerberg fielded 10 hours of questions over two days from nearly 100 U.S. lawmakers. He parried questions of how much control people have over their data. 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.