Suppose, for example, that an online shoe vendor sells 50% more black shoes on Mondays than it does the rest of the week.

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At 8 inches tall, the all-black exterior of the shoe is the highest cut of any basketball shoe on the market and is designed to resemble the silhouette of a military combat boot.

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Still, Mr. Louboutin occasionally takes it to the edge: His "Fetish Ballerine" of 2007 has a heel so high, about 10 inches, that it turns a black pump into a pointe shoe.

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For example, if you are at a shoe store, you can snap a pic of a row of black heels and it will overlay your photo with the info and reviews on each shoe so you can make a decision.

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Founded in 1819, Cravath is not really white shoe too much rough-and-tumble so much as it is black ink.

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In other words, spend a ton of money to even the playing field, no pun intended, between black kids and their richer, whiter counterparts (or hope that, like in basketball, shoe companies and individually motivated donors do it for them).

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