For the first time we can remember, we're getting noticeable inbound traffic from the site.
Walter Hickey's fantastic presentation on the most controversial facts in math has gotten a lot of traffic from Google+.
Hilariously though, the story getting traffic from Google+ confirms all the pre-existing stereotypes about the site.
Google's social network has been accused of being an empty place only filled by Google employees, who are generally believed to be geeky and math oriented. It's amusing that a story on math is popular with that crowd.