My day job, blog carnivals and funny potato-chip flavors.

Now up at MSN Money is my latest column, “Useless Groupon? Cash it in.” It’s all about the secondary market for social commerce vouchers from places like Tippr, Buy With Me, Living Social and, of course, Groupon.

The advantage is twofold: You can unload deals you no longer want and, more to the point, you can look for deals you missed on the first go-round or that you didn’t know existed.

As one secondary-market host says, it’s “a catalog experience vs. an impulse buy.”

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