Signs for 'empty' and 'full' carts are pictured inside Amazon's LCY3 Fulfillment Centre in Dartford, east of London, on June 4, 2026, on the second day of company's 'Delivering the Future EMEA '26' event. (Photo by JUSTIN TALLIS / AFP via Getty Images)

A worker processes goods at Universal Station inside Amazon's LCY3 Fulfillment Centre in Dartford, east of London, on June 4, 2026, on the second day of company's 'Delivering the Future EMEA '26' event. (Photo by JUSTIN TALLIS / AFP via Getty Images)

Flat-packed branded carboard boxes are pictured inside Amazon's LCY3 Fulfillment Centre in Dartford, east of London, on June 4, 2026, on the second day of company's 'Delivering the Future EMEA '26' event. (Photo by JUSTIN TALLIS / AFP via Getty Images)

A worker pulls a pallet trolley as they walk inside Amazon's LCY3 Fulfillment Centre in Dartford, east of London, on June 4, 2026, on the second day of company's 'Delivering the Future EMEA '26' event. (Photo by JUSTIN TALLIS / AFP via Getty Images)

A book is pictured in a crate inside Amazon's LCY3 Fulfillment Centre in Dartford, east of London, on June 4, 2026, on the second day of company's 'Delivering the Future EMEA '26' event. (Photo by JUSTIN TALLIS / AFP via Getty Images)

A worker walks inside Amazon's LCY3 Fulfillment Centre in Dartford, east of London, on June 4, 2026, on the second day of company's 'Delivering the Future EMEA '26' event. (Photo by JUSTIN TALLIS / AFP via Getty Images)

Workers walk inside Amazon's LCY3 Fulfillment Centre in Dartford, east of London, on June 4, 2026, on the second day of company's 'Delivering the Future EMEA '26' event. (Photo by JUSTIN TALLIS / AFP via Getty Images)

A worker walks inside Amazon's LCY3 Fulfillment Centre in Dartford, east of London, on June 4, 2026, on the second day of company's 'Delivering the Future EMEA '26' event. (Photo by JUSTIN TALLIS / AFP via Getty Images)