Amazon taking on Uber with its on-demand delivery service

The world’s biggest e-commerce company is taking a page from the ride-sharing service and asking drivers to sign up for shifts to deliver packagesAmazon.com is quietly inviting drivers for its new “on-demand” delivery service to handle its standard packages, as the online retailer known for low prices and razor-thin profit margins looks to speed up delivery times and tamp down its growing multibillion-dollar logistics bill.The move, which has not been announced publicly, is the