Casper Dreams of Being Bigger Than Mattresses

New York Times

The start-up wants to be the ‘Nike of sleep.’ It’s a slightly absurd concept — in a gigantic market.

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This Week in Business: No More E-Cigarettes at Walmart, and an Attack on the World’s Oil Supply

New York Times

Plus, a battle over California’s right to make its own car pollution rules.

Inside Airbnb, Employees Eager for Big Payouts Pushed It to Go Public

New York Times

Tension has grown among a 6,000-person work force as it waits to sell company shares, people with knowledge of the situation said.