After reading about it on TechCrunch, I just added a ZoomCloud to my blog; you can see at right. ZoomCloud produces the cloud by reading an RSS feed, passing it through an API or two at Yahoo, and then rendering the results in tag form. I edited the CSS and sidebar templates for the blog, and there it is. I don’t have a good metric to use to decide if this adds sufficient value to the blog to keep it up there forever, but we’ll see.
There’s also an API.
Update: For all of you who read the blog via the feed, here’s an inline cloud: