Yesterday evening Facebook was was down for a little over 30 minutes. In that time, the company lost somewhere in the ballpark of $854,700 in revenue. That figure's based on a revenue report for last quarter. The company's total takings from July to September? $3.2 billion.

So if, by some chance, you're unable to post that status update or chat with your friends, there's a good chance there's an accountant somewhere who is a bit more upset than you are.

You're reading Numbers, a blog on Kotaku that examines games and culture through the lens of math and statistics. To contact the author of this post, write to or find him on Twitter @dcstarkey.