Twitter Why Companies like Lyft, Uber, Postmates, Instacart etc Will Never Be Profitable. https://t.co/IpCPUML9TM #MRX https://t.co/tuiunF4UIF Why Companies like Lyft, Uber, Postmates, Instacart etc Will Never Be Profitable. https://t.co/IpCPUML9TM #MRX https://t.co/tuiunF4UIF Mar 13, 2017 0 #MRX