New Wordpress Text Message Plugin: http://wordpress.org/extend/plugins/wordpress-text-message/ It has a sidebar widget that allows people to signup for text message updates (you can manually add people to the backend too). You can manually send out text messages to subscribers, or set it to "send text updates out each time a post is published". Great tool for small businesses, affiliate marketers, membership web sites, organizations, small businesses - works pretty good as-is, but thoughts for improvement?