The Deal: Jamba Juice is launching what they're calling The Great Smoothie Showdown in which they'll honor any McDonald's smoothie coupon, even the free ones.
When: Until August 15th.
Where: Select metro areas, including all San Francisco locations
More Info: If you don't have a McDonald's coupon, there's always a $1 off coupon at cheeseburgerchill.com.
Previously: Jamba Juice's Cheeseburger Chill Smoothie Commercial [-E-]
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