A few internet tidbits to keep you going through the intra-holiday blogging lull.

• The World's Smallest Website! Seriously, this website is not only extremely small, it probably has a lot more interesting stuff than yours does. You should be ashamed.

• How interesting is your IP address? Mine is prime, which is nice, but it makes a terrible poker hand.

• Cosmic Variance Calculator. Sometimes, you just want to calculate your cosmic variance. By Michele Trenti, based on this paper.