Is there a free tool/script websites use to allow their users to "click here to twitter your new post/activity/etc"? I've seen a lot of websites where you input your screen name/password for twitter, and you have the option of posting on twitter your most recent activity.
yes, that's good; but what about the ones you see on pages like squidoo and hubpages? (isn't that link just for wordpress) you enter your login information , and it tweets your actions such as "My newest article : (link to squidoo)