Deborah Crawford | VP, IR |
Mark Zuckerberg | Founder, Chairman & CEO |
Sheryl Sandberg | COO & Director |
David Wehner | CFO |
Brian Nowak | Morgan Stanley |
Ross Sandler | Barclays Bank |
Heather Bellini | Goldman Sachs Group |
Justin Post | Bank of America Merrill Lynch |
Douglas Anmuth | JPMorgan Chase & Co. |
Eric Sheridan | UBS Investment Bank |
Youssef Squali | SunTrust Robinson Humphrey |
Mark Mahaney | RBC Capital Markets |
Colin Sebastian | Robert W. Baird & Co. |
Kevin Rippey | Evercore ISI |
Lloyd Walmsley | Deutsche Bank |
John Blackledge | Cowen and Company |
Michael Nathanson | MoffettNathanson |
Brian Fitzgerald | Wells Fargo Securities |
Good afternoon. My name is Mike, and I will be your conference operator today. At this time, I would like to welcome everyone to the Facebook Fourth Quarter 2019 Earnings Conference Call. [Operator Instructions]. This call will be recorded.