When it comes to speed, Nike says RFID is key 

Dive Brief:

• Nike is implementing RFID tracking in “nearly all” of its non-licensed apparel and footwear —”hundreds of millions of items” according to CEO Mark Parker. The brand is also using QR codes to track some inventory.
• ” RFID gives us the most complete view of our inventory that we have ever had. It’s quickly becoming the most precise tool in our arsenal to meet an individual consumer specific need at the exact right moment,” said Parker on the company’s Thursday earnings call.
• Nike Direct stores will begin taking advantage of the visibility the technology can provide in the coming quarter and the initiative will spread through the rest of Nike’s network, including partner retailers, in the subsequent quarters.

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Source: When it comes to speed, Nike says RFID is key | Supply Chain Dive