Status bars on websites
I love the idea of a status bar, like what I have at the top of my site. I think most personal sites should use something similar. It provides the feeling of a live look-in to whether the webmaster is currently working on the site or not, within reach of being contacted, etc. It's stupid, but makes your visit feel slightly more personal.
I have a guide to my status bar posted on the homepage of the site detailing what the different indicators mean.
To see other sites start implementing similar ideas would make me so happy. If you'd like to do so, I've created some simple examples you can use to get started: