I recently did a Rick Review of the Day 3 Keynote from the 2008 PASS Community Summit that featured Dr. DeWitt speaking on new technology that ended up in the Parallel Data Warehouse (PDW) edition of SQL Server 2008 R2. I decided to also listen again to the Day 3 Keynote from the 2001 PASS Community Summit. While I listened intently to the keynote on Day 3 of this past summit, something seemed to be somewhat familiar. Had I heard some of these concepts before? The keynotes from the most recent PASS Summit may be found here. The theme of PDW and Map/Reduce seem to be similar (at least at a high level) where data is split up into smaller chunks and selected sets of data are then combined to answer the query. Once again, Dr.DeWitt is entertaining as he simplifies a complex topic for the audience. Having access to this recording is great, but being there first hand was even better with a sense of respectful awe in the audience. It is no wonder that the Day 3 Keynote is a favorite of the PASS attendees. If you haven't had the chance yet, I invite you to view the recording and perhaps learn something new.