This page lists various screencasts which have provided explanations and demonstrations of both microformats in general, and specific microformats. See also microformats presentations and podcasts.
Please feel free to add links to additional screencasts that discuss microformats!
Most recent screencasts listed first.
2007
2007-10-10: Microformats in Google Maps + Operator by Ian Lloyd shows how he can use Google to search for curry houses in Swindon and then use Operator to export the results (and then sync those with his 'phone.http://youtube.com/watch?v=Kjp4BaJOd0M
2007-05-18: Microformats 1:01—Exporting microformats via bluetooth by Jeremy Keith shows how the Bluetooth version of the Tails plugin can transfer contact details and events straight from a web page to a mobile device.
2006
2006-12: Interview by Kazuhito Kidachi with John Allsopp Covers many web standards areas, with quite a bit on Microformats. The microformats part starts a few minutes in. English with Japanese subtitles.
2006-03-20 - 22nd: Mix06 Session This is about Live Clipboard and SSE, but the underlying technology is microformats ~58 minutes run time, 153MB WMV file and PPT slides.