If you’re reading this in reader, I’m not sure you’ll notice.
If you open the actual webpage, you will see a “like” and share button at the bottom. I felt special when I figured it out.
For anyone running wordpress, you’ll want the “Simple Social – Sharing Widgets & Icons” plugin. It had the easiest interface for picking which social networking sites you wanted to display.
And while you’re at, go learn something useful! www.1000usefulthings.com