I've blogged before about people adding text to a blank page in an effort to show they knew it was being left blank.
Unfortunately I keep making a similar mistake with my blog posts -- I keep forgetting to give them a title. I often write the post separately and then just copy it into the post editor on blogger. I add some labels and then hit post only to then realise I've forgotten to set the title. It's easy enough to edit the post and add a title when I realise this but the URL for the post will never be sensible.
So I wrote a script which simply alters the behaviour of the "Publish Post" button so that if there is no post title you get a message box telling you this and the post won't publish. If you already have Greasemonkey installed then simply click here to install the script.