This document summarizes Facebook's Q2 2013 earnings conference call. Key points:
1) Facebook had a strong quarter with growth in monthly active users, engagement, and mobile usage. Nearly half a billion people now use Facebook on mobile daily.
2) Revenue grew 53% to $1.81 billion, driven by a 61% increase in advertising revenue to $1.6 billion. Mobile advertising now makes up 41% of total ad revenue.
3) Facebook continues investing heavily in infrastructure and hiring to support its growing global user base and transition to mobile. It ended the quarter with over 5,300 employees, up 33% from the prior year.