It worked for me and even arrived on my offers page

You’re registered to earn Double Points or Double Miles! >>
Earn double points or double miles on every qualifying stay, starting with your 2nd stay at InterContinental, Crowne Plaza, Hotel Indigo, Holiday Inn and Holiday Inn Express hotels worldwide. Earn double on your first stay at Staybridge Suites and Candlewood Suites.
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You have 12 days before this promotion ends. Book your next Stay Now
17 Aug 2010
to
31 Aug 2010