If you decide to do this, save yourself some headaches by also registering the spelled out version of the number as well (if it's going to be pronounced as a nu

If you decide to do this, save yourself some headaches by also registering the spelled out version of the number as well (if it's going to be pronounced as a number). This doesn't matter for domains like al3x.net, but it does matter for domains like ftw1.com. There will inevitably be users that try to go to ftwone.com (and possibly ftwwon.com as well).