Ever wondered what would be the shortest and most elegant way to say "sincerely yours" or "yours sincerely"?
Of course it is sincere.ly with two extensions:
Certainly allowing for free accounts and many handy features for bloggers and social media fans.
Other than that, all good "sincere" domains are taken and widely used as well. Just have a look on few freshly googled examples:
Short link: http://name.ly/~M9hR$6x