LivePress is a hosted live blogging solution that integrates seamlessly with your WordPress blog.
LivePress converts your blog into a fully real-time information resource. Your visitors see posts update in real-time. Comments are pushed out immediately as well.
Take advantage of an enhanced mode for the WordPress editor featuring live comment moderation, streaming Twitter search and more. Or, live blog entirely via Twitter.
To use LivePress, you must register for an authorization key at https://livepress.com