This article is part of a series of occasional opinion pieces on CNN.com that will offer a broad range of perspectives that express a variety of thoughts and points of view.

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You can also use your American Express Membership Reward points to shop at Amazon.com to pay in full or for part of your purchase.

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Is drugstore.com, the Web store funded by Amazon, going to put Express out of business?

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Express Scripts quickly gave up most of its premium as the dot-com crowd moved on to other flavors-of-the-week.

FORBES: Script doctor

Express Scripts quickly gave up most of its premium as the dot-com crowd moved on to other flavors of the week.

FORBES: Script doctor

Before the recession set in, the American Express Blue Cash card carried interest rates no higher than 13%, notes Jeffrey Weber of SmartBalanceTransfers.com.

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The competition kicked off on MTV.com on July 7 with the 20 candidates competing in a series of five Twitter challenges created with ZYNC from American Express that ranged from discovering a local band to interviewing celebrities including Sean Kingston.

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"That's nuts, " said Toan to his chief financial officer, George Paz, as he watched his company's stock price jump 40% on news that Express Scripts planned to open an Internet drugstore to compete with much-hyped startups such as drugstore.com and PlanetRx.

FORBES: Script doctor