Facebook Stats - Revealing stuff

Per chance - thanks to a little dip into twitter - I came across a useful link to the official statistics page on Facebook. Some figures that really hit me:

• 3.5 billion minutes are spent on Facebook each day (worldwide)
• 20 million users update their statuses at least once each day
• 4 million users become fans of Pages each day
• 70% of Facebook users are outside the United States
• 850 million photos uploaded to the site each month
• 8 million videos uploaded each month
• Every month, 70% of Facebook users engage with Platform applications
• 30 million active users currently accessing Facebook through their mobile devices
• People that use Facebook on their mobile devices are almost 50% more active on Facebook than non-mobile users.