Cin7, a cloud-based inventory management company, has integrated its product suite with the Wal-Mart Marketplace. The marketplace enables sellers to leverage the power of the world's largest retailer, with their items appearing on Walmart.com alongside those being sold by Wal-Mart and other marketplace sellers.

Although the cost of tags, readers and software has been dropping in recent years, RFID deployments are still unaffordable for many companies seeking item-level inventory tracking.

Wal-Mart EVP and CFO Brett Biggs says the company has been investing in both front-facing and back-end technology to help Wal-Mart work differently.