Average Revenue per User (ARPU) Payments and Other Fees US & Canada Advertising Worldwide Europe Asia-Pacific Rest of World Revenue by user geography is geographically apportioned based on our estimation of the geographic location of our users when they perform a revenue- generating activity. This allocation differs from our revenue by geography disclosure in our consolidated financial statements where revenue is geographically apportioned based on the location of the marketer or developer. Please see Facebook's most recent quarterly or annual report filed with the SEC for the definition of ARPU. 8