http://www.mashable.com/2011/05/31/google-offers-2/

<<Google Executive Chairman Eric Schmidt has announced that the search giant will launch its Groupon competitor on Wednesday [1st Jun], starting with Portland.
...>>

http://www.google.com/offers

http://www.google.com/offers/customer/how-it-works.html

And the logo

https://www.google.com/images/logos/offers_logo_beta.gif