One of the coolest things about blogs is that posts don't all have to be long dissertations. Sometimes, they can just be fun.
One of my favorite sites is XKCD, which features brilliant tech-related comics drawn by Randall Munroe.
With all the Facebook privacy brouhaha going on, this piece, called "Infrastructure," is priceless:
Thanks to Randall for his enlightened reuse policy. It's a good model to follow and truly reflects both the spirits of fair use and enlightened self-interest.