That’s right, postage stamps are going up a penny in May. It seems like they just went up, but I guess time is flying past me. Rates were raised two cents last May and will apparently continue to be adjusted every May based on the inflation rate for the previous 12 months. Here’s an article about the 2006 legislation that enabled an easier process to make adjustments: http://money.cnn.com/2008/02/11/news/economy/postage_increase.ap/index.htm?postversion=2008021115
Because I have so much free time to make graphs (and I was curious about the historical increases), here’s a graph of the historical postage rates: