At least two news applications to follow-up :
Blogger Web Comments for Firefox
Blogger Web Comments for Firefox is an extension that makes it easy to see what bloggers are saying about a page you’re viewing in Firefox and even make your own blog post about it, all without leaving the page you’re on.
And Structured Blogging that I wouldn’t use ’till there is a Blogger compatible version
Structured Blogging is a way to get more information on the web in a way that’s more usable. You can enter information in this form and it’ll get published on your blog like a normal entry, but it will also be published in a machine-readable format so that other services can read and understand it.
