Use your self-hosted Lessn install to create short URLs for published posts.
Lessn is a free, self-hosted URL shortener that you download and upload to your own server. It was created by Shaun Inman. Read more about Lessn on Shaun Inman's blog.
Yes. You must have Lessn installed to get any use out of this plugin.
No. WP Lessn allows you to specify any domain as your Lessn domain. For instance, I use JayRobinson.org for my blog, but use my short domain, http://jwr.cc, for Lessn. Lessn's API key allows us to generate the short URL.
My name is still Jay Robinson.