Google Adwords at the bottom of the SERPS?

It appears Google is testing ad placements near the bottom of the page. I am seeing them at the bottom solely (when no placement is at the top), as well as when there is an accompanying  placement at the top. It will be very interesting how this one weighs out, and if they institute this across the board.

It appears the last time they tested this was back in 05′

Here is a screencast: