3 unanswered questions from Lyft's long-awaited IPO filing

Lyft on Friday publicly filed its paperwork for an initial public offering. The documents provided the first look at important details about Lyft's business. But Lyft didn't offer answers to some of the most important questions that could affect its IPO and future. The paperwork Lyft filed Friday for its initial public offering gave us important new details about the company. But it also left unanswered some crucial questions. The ride-hailing company beat its archrival Uber to...