A signs asks Amazon employees to check if a cart is 'ready' to be moved by a next-generation Proteus robot, during the second day of 'Delivering the Future EMEA '26', at Amazon's LCY3 Fulfillment Centre in Dartford, east of London, on June 4, 2026. (Photo by JUSTIN TALLIS / AFP via Getty Images)

An Amazon next-generation Proteus robot is pictured working, during the second day of 'Delivering the Future EMEA '26', at Amazon's LCY3 Fulfillment Centre in Dartford, east of London, on June 4, 2026. (Photo by JUSTIN TALLIS / AFP via Getty Images)

Saudi Arabia's Minister of Energy Prince Abdulaziz bin Salman al-Saud (L) and OPEC Secretary General Haitham Al Ghais attend the St. Petersburg International Economic Forum (SPIEF) in Saint Petersburg on June 4, 2026. (Photo by Olga MALTSEVA / AFP via Getty Images)

Amazon's next-generation Proteus robot is pictured working, during the second day of 'Delivering the Future EMEA '26', at Amazon's LCY3 Fulfillment Centre in Dartford, east of London, on June 4, 2026. (Photo by JUSTIN TALLIS / AFP via Getty Images)

Saudi Arabia's Minister of Energy Prince Abdulaziz bin Salman al-Saud (L) and OPEC Secretary General Haitham Al Ghais attend the St. Petersburg International Economic Forum (SPIEF) in Saint Petersburg on June 4, 2026. (Photo by Olga MALTSEVA / AFP via Getty Images)

Amazon's next-generation Proteus robot is pictured working, during the second day of 'Delivering the Future EMEA '26', at Amazon's LCY3 Fulfillment Centre in Dartford, east of London, on June 4, 2026. (Photo by JUSTIN TALLIS / AFP via Getty Images)

Amazon's next-generation Proteus robot is pictured working, during the second day of 'Delivering the Future EMEA '26', at Amazon's LCY3 Fulfillment Centre in Dartford, east of London, on June 4, 2026. (Photo by JUSTIN TALLIS / AFP via Getty Images)

Amazon's next-generation Proteus robot is pictured working, during the second day of 'Delivering the Future EMEA '26', at Amazon's LCY3 Fulfillment Centre in Dartford, east of London, on June 4, 2026. (Photo by JUSTIN TALLIS / AFP via Getty Images)