Get all of the info on AMEX Small Business Saturday <------here.
Here's the basic details:
Enrollment for the American Express $25 Statement Credit Cardmember Offer opens November 18.
Enrollment is limited so come back November 18th to enroll.
Spend at least $25 using your registered AMEX at a participating small business on Saturday 11/24/12 and get a $25 statement credit!
Register for AMEX Small Business Saturday <----- here on 11/18. You can search for participating business here.
We can personally confirm that this has worked wonderfully for us the past 2 years and we will absolutely be doing it again this year! :)