Ad expert: Google’s Super Bowl spot was a live traffic test(venturebeat.com)
venturebeat.com
Ad expert: Google’s Super Bowl spot was a live traffic test
http://venturebeat.com/2010/02/08/google-super-bowl-ad/
http://venturebeat.com/2010/02/08/google-super-bowl-ad/
It's possible they got some new data out of it, but my guess is that it really was just an ad purchased for the reason ads usually are purchased, in this case partly to counter Bing's ad campaign.