Peloton is bolstering its cash-pile in anticipation of an IPO. The start-up, which sells a $2,000 stationary bike that streams thousands of live and recorded fitness classes, is raising $550 million in funding, lifting its valuation to over $4 billion. Maureen Farrell, the reporter from the Wall Street Journal that broke the story, was with Cheddar to discuss why she thinks it's fair to call Peloton the "Netflix of Fitness."