From the slide deck accompanying Facebook's Q2 report: North American/European monthly users +2% Q/Q and 45% of total, Asia/Rest of World +9% and 55% of total. But the first group accounted for 71% of Facebook's revenue. ARPUs for North America and Rest of World up over 10% Q/Q, Asia and Europe up more modestly. Operating expenses (exc. stock compensation) 31% of revenue vs. 23% in year-ago period. The CC is ongoing (live blog, webcast). FB -9.2% AH.