An introductory video (youtube) by bytebodger describing the use and creation of pivot tables in Excel 2007.

At work I use pivot tables nearly every day. My work does not involve analyzing business or financial data and still I find pivot tables very useful in manipulating data sets, performing on-the-fly calculations, and preparing final reports.
So, what is a pivot table?
A pivot table is a data summarization tool found in data visualization programs [...]