1. Craigslist
This app provides an easy way to update yourself with new stuff from Craigslist. Just add a Craigslist RSS feed URL to your TwitList account and it will send Craigslist updates to your Twitter account.
TwitList
Welcome to the TwitList website. This site aims to
provide Twitter users a place to create, maintain and share lists to other
users. Currently, the website offers its first application that updates
users when a Craigslist RSS feed is updated. Try it here.
There will be more Twitter/Lists-related applications coming in
the next few weeks so keep coming back. If you have great ideas that
involve Twitter and Lists please let me know and I will try my best to add them
for you. Follow me at @sramil so we can discuss
future enhancements to the
site.