Deborah Crawford | Vice President of Investor Relations |
Mark Zuckerberg | Chairman and Chief Executive Officer |
Sheryl Sandberg | Chief Operating Officer |
David Wehner | Chief Financial Officer |
Brian Nowak | Morgan Stanley & Co. LLC |
Douglas Anmuth | JPMorgan Securities LLC |
Heather Bellini | Goldman Sachs & Co. LLC |
Eric Sheridan | UBS Securities LLC |
Peter Stabler | Wells Fargo Securities LLC |
Justin Post | Bank of America Merrill Lynch |
Mark Mahaney | RBC Capital Markets LLC |
Ross Sandler | Barclays Capital, Inc. |
Brent Thill | Jefferies LLC |
Michael Nathanson | MoffettNathanson LLC |
John Blackledge | Cowen & Company |
Anthony DiClemente | Evercore ISI |
Mark May | Citigroup Inc. |
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 and Full-Year 2017 Earnings Call. All lines have been placed on mute to prevent any background noise. After the speakers' remarks, there will be a question-and-answer session.