Google had a full page ad in the December 16, 2010 Wall Street Journal promoting this buy $100 in Adwords and they with match it with an additional $100 offer.
The offer works whether you are new to Google Adwords or have an established Adwords account and is open to the first 1 million that register prior to December 31st.
If you are new to Google Adwords, these are the ads that you see on the top and right side of the Google search page. If you are in need of more customers, this is a unique opportunity to get started with Adwords and help advertise your business.
See www.google.com/adwords/big for details.
Thank you Google!