There is a new application which makes updating the twitter account very easy by just sending an email. By registering on this site you receive an email and once this is done, you are just required to send an email to this twitemail account.
In the background, twitemail creates a webpage and posts the link on the twitter, all behind the scenes. Nice app.
This also advertises your site as your links are available on one more site.
After sending an email, the email is published as a link followed by the subject line as following
and this is what you will find on twitemail site:
and the link shown here is the link to THIS post.
(for programmers; The this pointer is explained)