Like her top-earning peers, she also booked a slew of marketing and endorsement deals, with companies like Polaroid, Virgin Mobile and MAC's Viva Glam, and cashed in on album sales and music video tie-ins.

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If the iTunes tie-up generates significant cash advances or sales, it could delay breaches in the company's loan covenants.

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Its sales teams fan out across cities in search of tie-ups with local merchants, and those deals are then offered to subscribers through their website, emails and smartphone apps.

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After all, the Super Bowl generates billions in ticket sales, ad revenues, and product and merchandise tie-ins, a massive haul for the handful of companies lucky (or loaded) enough to be connected with the NFL. With a record-setting game expected for this year, it makes sense to take a closer look at some of the stocks involved.

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F-series trucks are the bedrock of sales, says Mr Pack, soft-spoken and dapper in a monogrammed shirt, silk tie and crocodile-skin shoes.

ECONOMIST: Lexington