FYI, it's not clear exactly how/what Bloomingdale's plans to contribute to breast cancer research, but I have to assume it's something, right? And something is better than nothing! Also, they have another breast cancer promotion in which they're more transparent:
From September 28 - October 31, 2011, pay a $15 enrollment fee on your Bloomingdale's Insider Card. 100% goes to The Breast Cancer Research Foundation®. Then shop to your heart's content on your Bloomingdale's card, even in cosmetics and fragrances. Not an Insider yet? Apply Now**
You'll be mailed a Give Pink, Get More Card worth up to $250 just in time for holiday shopping in December. Use at any Bloomingdale's store and at bloomingdales.com.