$7.87 billion in 2013 / 365 days / 24 hours / 60 minutes / 60 seconds is about $250 a second.

Edit: using more up to date data:

$3,300,000,000 in the 3rd quarter of 2014 / (365/4) / 24 / 60 / 60 = $418.58

$1.5M an hour!!!

But considering this is not the peak time in North America, it's should be little less.

A site like Facebook has a different profile though. More like email. If you cannot reach your mail, you'll read it at a later point.

When facebook comes up, people will catch up on "lost facebook time" most likely. Over the course of the week (or even day) it will most likely even out.

Yeah but I wonder if actually more people will net log in because everyone is talking about it being down.

But here in India and the rest of Asia, people wake up to Facebook. You can't ignore that.

In Asia Facebook isn't that big, they also have other social services