As a result, the company achieved a 30% lower cost per acquisition than other platforms and saw a 6x return on advertising spend .

FORBES: By The Numbers: Everything You Want To Know About How Facebook Ads Fared In Q4

But most people look for a handset subsidy: a lower upfront cost for getting the phone in return for paying some set fee per month over the life of the contract.

FORBES: Apple's iPhone Just Isn't Worth It

Bookstores return about thirty-five per cent of the hardcovers they buy, and publishers write off the cost of producing those books.

NEWYORKER: Publish or Perish