Uber rival Lyft's drivers earned over $500mn in tips to date

Uber rival Lyft's drivers have received over $500 million in tips from their customers, the ride-hailing service announced on Monday. While the first $100 million came in over a four-year period, the last $100 million were received in just four months, the company said. In comparison, Uber hit $50 million in tips within three months as of August, 2017.