The article explains how to register a free locality domain in the US, such as somename.city.state.us, by following a series of steps including choosing a domain, acquiring nameservers from Amazon Lightsail, filling out a registration form, and setting up DNS records. The process can be complex and requires patience. Locality domains were first created in 1992 and are associated with a location in the US. Registration is limited to US citizens, permanent residents, or organizations with a presence in the US.