#7 Sean Parker, Cofounder of Napster, first president of Facebook, and Cofounder Plaxo, Causes, and Airtime.

The Co-founder of Airtime, Sean Parker, zooms around San Francisco in an Audi S5. The car's price tag starts at $50,900. When Parker is in L.A., he cruises around in a flashier $100,000 Tesla.

The Audi S5 is the high-performance variant of Audi's A5. Like all Audi "S" cars, they are only available as standard with Audi's quattro four-wheel drive (4WD) system. It has a 4.2 litre Fuel Stratified Injection (FSI) V8 engine that produces 349 hp.

The Tesla Model S is a full-sized electric four-door hatchback produced by Tesla Motors. The US Environmental Protection Agency (EPA) official range for the Model S Performance model equipped with an 85 kWh lithium-ion battery pack is 265 miles (426 km), topping the Tesla Roadster and making the Model S the electric car with the greatest range available in the market.

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