W.NF is an extremely rare and valuable one letter domain name which can be understood as simply "W" or as the acronym "WNF".
.NF: ccTLD of Nortfolk Island
Renewal cost: $152
W.to sold for $53,000 on Sedo.com
W.de sold for $41,661 on Sedo.com
W.biz sold for $13,500 on Sedo.com
From the startup to the Forbes 500 company, a one letter domain is a very valuable asset endorsed by all innovative people.
n.nu (free website provider)
r.fm (Underground Evolved)
s.co (Startup America)
o.to (Nerd World Media)
a.co z.cn (Amazon)
a.im (Aol Instant Messenger)
n.pr (National Public Radio)