Yesterday I delivered my Inside DAX session at PASS 2010. Someone might have missed the link to buy the PowerPivot for Excel 2010 book with a 50% discount that is valid just today. The link is http://oreil.ly/sqlpass2010!

Originally appeared on: http://sqlblog.com/blogs/marco_russo/archive/2010/11/10/powerpivot-ebook-50-discount-offer-of-the-day.aspx