Some hCard Stats
I've started gathering hCard stats on topicala.com thanks to pingerati.net. hCards are a machine-readable microformat for contact information that can be embedded in HTML. Pingerati notifies services like mine when hCards are updated. To get your hCard included in the stats, ping pingerati at http://pingerati.net/ping/[your updated url]. I'm excited about the potential of microformats and plan to add more services to topicala as more data becomes available. Learn how to create an hCard at http://microformats.org/code/hcard/creator.