Middle-class shoppers split the difference, discreetly downloading entire catalogs of Bollywood hits to their phones from local shop owners.

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Depending on the number of first-class seats available, if a coach takes one over a player, then one player, as determined by the union, is entitled to be paid the difference between the value of the first-class seat and the value of the coach seat he was forced to endure.

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Lieberman was the primary investigator for a government-funded clinical trial that showed there was little difference in how long patients stuck with the new class of antipsychotics, like Zyprexa and Risperdal, vs. the older, cheaper variety, such as Haldol.

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Institutions, in the form of a fledgling merchant class, provided momentum for reform, making the difference between the successful French revolution and failed uprisings elsewhere.

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You look for difference in terms of age, race, gender, sexuality, class, ability, ethnicity, etc.

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Whether it's a quick Madden or Call of Duty session, inviting a friend over to catch a flick or just zoning out after class, having the proper setup makes all the difference, and there are plenty of options at every price point.

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Possibly the most significant difference is that Marty seems to have significantly narrowed the definition of middle class.

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