https://www.aoeu.com/ https://www.aoeu.com/ > It resulted from a typo. I was writing a domain registration system for an ISP and, during some debugging, forgot

https://www.aoeu.com/ https://www.aoeu.com/ > It resulted from a typo. I was writing a domain registration system for an ISP and, during some debugging, forgot to use the --no-act command line flag and ended up registering aoeu.com for real. Since it was so easy to type, I kept it. The letters A O E U are the first four characters of the left hand on a Dvorak keyboard, which is the layout I use.