RFID in retailing is one of the reasons for it being pushed in to mainstream. Players like Walmart and big retail chains are influencing the adoption of technology to a large extent.
The widespread adoption will depend on

  • Cost of tags , coming down from 20 cents to less than 5 cents

  • Establishment of Standards - Class 2 tags

  • Avoiding the Slap and ship approach and concentrating on Data Synch with the internal systems.

  • Industry knowlede of the best practices

Link: Will RFID Spark the Next Revolution in Retailing? - Knowledge@Wharton.