I recorded a presentation for this Friday, July 15, the PowerPivot Analytics Expo. This post has the link and some details.
SSWUG (Bits on the Wire) is based in Tucson, Arizona. They invited me to participate based on my past videos on YouTube, such as:
The entire event is called PowerPivotAnalytics Expo, to air on July 15. The core event is free. However, my 90 minute video material is part of the paid sessions:
I plan to also be online that day to talk with attendees.