Inside Amazon's 'mind-blowing' plan to fix groceries and beat Walmart

Getty Images; Alyssa Powell/BI

• Amazon is playing catch-up to Walmart in groceries.
• Some of Amazon's new ideas mirror Walmart's strategies.
• Amazon plans to double down on its sub-same-day grocery deliveries.

For years, Amazon was cast as Walmart's great disruptor. Now, it's borrowing from the retail giant it once sought to upend.

The company is rolling out Walmart-inspired ideas, including "Supercenter" warehouses, a new distribution layer known internally as the "1DC" network...