All you have to do is drag the "What Font" button to your bookmark bar {similar to the "Pin It" button on Pinterest}, then when you run across a font you're curious about, just click the "What Font" and then hover over the text. Here's an example from the Clover & Violet blog:
And one more from Rhonda, Quilter in the Gap {since I recently set her blog up on Genesis, I thought I'd show it too!}:
I really love this little tool to help find some great fonts that can be used in titles, and not just on images. Remember how I posted about Google Web Fonts? Well, here's a chance to discover some great fonts and use them in your titles!