Before you go register your URL

The most popular registered domain name length is actually 11 characters long, tailing off from there.

and

There are 253,000+ non-IDN domains that are 32 characters or longer, including 538 that are 63 characters long.
These include
[...]
DIDYOUKNOWTHATYOUCANONLYHAVESIXTY-THREECHARACTERSINADOMAIN-NAME.com

That one's for sale, by the way. Heh.

And there's lots more in Interesting Facts About Domain Names over at Dennis Forbes's site, with a Part Two expected any day now.

[Via BoingBoing]