An Amazon worker loads boxes into a delivery vehicle. Helen H. Richardson/MediaNews Group/The Denver Post via Getty Images Amazon's Tetromino project aims to fully automate delivery stations. Amazon estimated more than $530 million in investment in Tetromino by 2029. Amazon says warehouse automation is intended to improve safety and efficiency for workers. Amazon is developing a new generation of highly automated warehouses that use AI and robotics to process packages at the final stop befo...