As HN'er nerfhammer noted: 1 digit + 3 letters = 83.8% availability. http://news.ycombinator.com/item?id=1698035
http://news.ycombinator.com/item?id=1698035
As HN'er nerfhammer noted: 1 digit + 3 letters = 83.8% availability. http://news.ycombinator.com/item?id=1698035