The movie charts got Dugg a few days after they made a minor dent on reddit. They hit the front page end wound up with over 800 diggs and 50 comments. I had to move some of the images to Amazon S3 to keep up with the demand.
While Digg had a huge bulge, I was surprised to see that StumbleUpon sent much more traffic than Digg over a longer period of time.
Below are the Reddit and Digg referral trend charts over 48 hours. Instead of the Titanic, Reddit is now the Deuce Bigelow, European Gigolo of linkers.